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Open Source Contact Directory

This list is continuously updated. If you have more information about the organisations that should be on this list, please contact us at EU-OSOR@ec.europa.eu. 

The Open Source Contact Directory page gives access to a list of open source organisations (both public and private) and competence centres.

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  Albania

 

LibreLabs

Email: librelabs@proton.me
Web: https://librelabs.cc/

Following the closure of Open Labs, Libre Labs was founded in 2024 as a non-governmental organisation dedicated to defending civil liberties and digital rights, as well as promoting open source software and the digital commons. Based on the experience of Open Labs, the group organises events and runs activities to co-create public campaigns. All activities are volunteer-based. Planned projects include the Open Source Conference Albania (OSCAL), OpenStreetMap Albania, and the Linux User Group Albania Tirana (LUG Albania).

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  Austria​​​​​​

 

Open Source Software Business Innovation Group (OSSBIG)

Email: info@ossbig.at  
Web: https://www.ossbig.at/

OSSBIG is a community of high level IT managers representing leading Austrian companies from all industries and public authorities. It stimulates cooperation between private and public sector in the area of innovation and digitalisation and propagates the open source model in Austrian enterprises and public administration.

Open Source Experts

Email: ubit@wko.at
Web: https://www.wko.at/

The Open Source Experts advise and support you if you use open source software, GNU Linux and other free software in your company, or you plan to use it. You can choose from the product and service offers of experts and find out about the possible uses, special features and requirements of open source projects.

City of Vienna - Digital Vienna

Web: https://digitales.wien.gv.at/

The local government for the city and state of Vienna has integrated open source software in its digital architecture principles, opting for OSS whenever preferable. Through its engagement with OSS, the city of Vienna encourages the use of open source by the public and private sectors at the local level.

Vienna Business Agency (Vienna Business)

Web: https://viennabusinessagency.at/

Supporting the city of Vienna’s strategy of encouraging OSS for digital sovereignty and economic competitiveness, Vienna Business acts as an information hub and connectivity nexus to promote the use of OSS with businesses in Vienna, hosting regulating meetings on OSS, including FIWARE community meetings, and providing guidance and explainers. In 2021 Vienna Business published a report on Open Source / Open Standards Technology providing a comprehensive overview of what OSS is and practical examples of how it is being used by the public and private sectors in Vienna.

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  Belgium​​​​​​

 

iMio (La mutualisation informatique au service des pouvoirs locaux, IT pooling for local authorities)

Email: contact@imio.be 
Web: https://www.imio.be/ 

iMio is an IT sharing body offering services to local authorities. It was created in the wake of the Minister of Local Authorities’ desire to establish a unique structure to promote and coordinate the pooling of organisational solutions, IT products and IT services for the local authorities of Wallonia. One of its main activities is the production of OSS solutions to meet the needs of these local authorities. 

Abelli (L’association belge de promotion du logiciel libre, the Belgian association for the promotion of open source software)

Email: staff-associalibre@abelli-asbl.be 
Web: https://abelli-asbl.be/ 

Abelli is the Belgian association for the promotion of free software. Their objective is to inform the broader public about alternative software that respects digital privacy.

FOSDEM

Email: info@fosdem.org
Web: https://fosdem.org/2020/ 

FOSDEM is a non-profit organisation established in 2000 by Raphael Bauduin, a fan of the Linux movement in Belgium. Every year, the FOSDEM event is organised to bring together European developers of open source software.

CETIC: Centre of Excellence in Information and Communication Technologies

Email: info@cetic.be
Web: https://www.cetic.be/

The Software and Services Technologies department provides its strong technological expertise to implement distributed, service-oriented and dynamic computing architectures. Through the use of semantic technologies and by exploiting the real business opportunities of open source software, this department helps accelerate the transformation of information into knowledge.

V-ICT-OR (Vlaamse Ict Organisatie)

Email: info@v-ict-or.be 
Web: https://v-ict-or.be/over-ons 

IT organisation that proposes expertise in ICT for local governments. Acting as a network of experts and practitioners, V-ICT-OR has developed multiple open source solutions for administrations in Flanders, coordinating efforts in digitalisation. 

Le Comptoir Open Source 

Email: admin@comptoiropensource.org 
Web: https://www.comptoiropensource.org/ 

The initiative originally started as a blog in 2024, with the aim of making free and open source software more understandable and accessible to the public. In 2026, the organisation started the process of becoming a recognised non-profit, with the ambition of raising awareness of open source software among public authorities, schools, and other organisations.

OSGeo Belgium

Email: belgium@lists.osgeo.org 
Web: https://wiki.osgeo.org/wiki/Belgium 

The Belgian Chapter of the OSGeo Community is the Belgian representative of the Open Source Geospatial Foundation. It promotes free software and open data in the geospatial field and supports the community of producers and users of such software and data.

ULiège Open Source Academy

Email: J.Fays@uliege.be 
Web: https://www.recherche.uliege.be/cms/c_19989628/fr/open-source-academy 

The Open Source Academy, launched at the end of 2023, is part of the University of Liège’s (ULiège) Open Science roadmap. Its main goal is to bring together a dynamic community around the open source ecosystem at ULiège and the University Hospital.

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  Bosnia and Herzegovina

 

Zašto Ne (Why not)

Email: https://zastone.ba/en/contact/
Web: https://zastone.ba/en/

The association Zašto Ne focuses on cultivating the creation of a safe, healthy, active, efficient, and responsible society in Bosnia and Herzegovina. It promotes, among other things, openness and transparency within the public sector, and it manages several projects in this area.

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  Bulgaria​​​​​​

 

Open Source in the Country

Email: info@obshtestvo.bg
Web: https://gov.obshtestvo.bg/administration

Open Source in the Country is a group of volunteers composed of software experts, programmers, developers, designers and lawyers who work towards the implementation of eGovernment in Bulgaria. They work with several governmental agencies and ministries in helping them find the right software for the state which is publicly owned, open source and developed in a transparent and flexible way.

Data for Good

Email: info@data-for-good.bg
Web: https://data-for-good.bg/en/

Data for Good is a non-profit, open data association that develops software for analysing data intended for Wikipedia and its community. It carries out data analysis and engineering for other organisations, and campaigns with public bodies to encourage them to make more, higher-quality data available. The organisation also teaches public bodies how to publish data. Data for Good seeks to link government data with community data, promoting open licences for data sharing in the process.

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  Croatia​​​​​​

 

Code for Croatia

Web: https://codeforcroatia.org/

Code for Croatia  is an association which brings together developers, citizens, entrepreneurs and designers to build OSS for the public. Their goal is to design services to connect citizens and governments.

Croatian Society for Open Systems and Internet (HrOpen)

Email: uo@open.hr
Web: http://www.open.hr/

The Croatian Society for Open Systems and Internet (HrOpen), founded in 1992, is an association which promotes and encourages the development of open computer systems and OSS in Croatia, including the use and development of OSS solutions by young people. Furthermore, the Society organises training sessions for primary and secondary school teachers looking to use open systems and OSS solutions within the classroom

HULK (Hrvatska udruga Linux korisnika, Croatian Linux Users' Group)

Email: http://www.linux.hr/modules/contact/
Web: http://www.linux.hr/

The Croatian Linux Users' Group is a non-profit association which promotes development and usage of GNU/Linux and other FLOSS in Croatia since 1996. The association is recognised as a central place for counselling, usage and popularisation of Linux operating system. 

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  Cyprus​​​​​​

 

Hellas Cyprus - Cypriot Free Software Community

Email: social@ellak.org.cy
Web: http://ellak.org.cy/

The Hellas Cyprus – Cypriot Free Software Community  is a group of volunteers that aim to promote free and open source software in Cyprus, they research this subject matter with other bodies and legal entities, and raise awareness of OSS in public and private sector bodies. In March 2020, the Community began campaigning for the implementation of a pilot training platform based on OSS solutions to meet the needs of Cypriot schools with regards to distance learning. 

KIOS Research and Innovation Centre of Excellence 

Email: kios@ucy.ac.cy
Web: https://www.kios.ucy.ac.cy/index.php

Established in 2008, the KIOS Research and Innovation Center of Excellence (KIOS CoE) operates within the University of Cyprus as a funding recipient of the EU Horizon 2020 Programme.  KIOS CoE is the largest research and innovation centre in Cyprus addressing ICT and the extent of its governmental collaboration is wide. A key aspect of their work involves promoting a comprehensive framework for open knowledge to support open data and open access. KIOS CoE has participated in several projects and events supporting the use of open source software in the public sector since its inception. 

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  Czechia​​​​​​

 

EurOpen.cz

Email: europen@europen.cz
Web: https://www.europen.cz/

Czech company users of open systems EurOpen.CZ is a non-profit organization, whose aim is to acquaint the professional public with open systems and promote their use.

Bison

Email: info@spolek-bison.cz
Web: https://www.spolek-bison.cz/

Bison is a non-governmental organisation focused on increasing the efficiency of public sector bodies.

Česko.Digital

Web: https://cesko.digital/

Česko Digital is a community of IT professionals - developers, graphic designers, producers - who want to help the state and non-governmental organizstions on a pro-bono basis to simplify the process of digitisation in the public sector in Czechia, both for citizens and public administrations. 

Czech Centre for Science and Society (CCSS)

Email: ccss@ccss.cz
Web: http://www.ccss.cz/en/zkusebni-stranka/profil-ccss/

The Czech Centre for Science and Society (CCSS)  is an independent, non-profit association that cooperates with organisations and individuals in Czechia and abroad. Their work focuses on the implementation of new communication and information technologies which have the potential to aid environmental protection efforts, risk management, agriculture, and rural sustainable development. They raise awareness about OSS solutions that have been financed by European Union initiatives and emphasise the importance of open data and OSS.

Czech Open Society Foundation

Email: osf@osf.cz
Web: https://osf.cz/en/

The Czech Open Society Foundation  advocates for improvements to services in public administrations by means of digitisation, innovation, and OSS solutions. They provide grants to organisations or people working to enhance the transparency and efficacy of public administrations, meet with proactive citizens with an interest in OSS solutions for eGovernment serv

Open Cities (Otevřená města)

Email: info@otevrenamesta.cz
Web: https://www.otevrenamesta.cz/

Otevrena mesta  is an association of 17 municipalities which cooperate on open source solutions in order to save municipal resources and tackle common problems that municipalities face. Otevrena mesta has many special priorities, including open data, online citizen participation, disclosure of contracts and good practices, open source solutions, and cooperation in digitisation across the public sector. 

Open Source Alliance

Email: info@osaliance.cz
Web: https://www.osaliance.cz/en/

The Open Source Alliance  is a non-profit association and OSS competence centre in Czechia.  Its goal is to support the use of OSS solutions in public administrations  while cooperating with similar projects and organisations in the European Union.  The Alliance is developing a repository of OSS to help public administrations that are interested in making the switch from proprietary software to OSS solutions. In addition to information, the repository will provide links to open source consultancies and outline methodological guidelines for administrations seeking to conduct quality assessments of various OSS solutions.  

National Cyber and Information Security Agency (NÚKIB)

Email: posta@nukib.gov.cz 
Web: https://nukib.gov.cz/en/about-nukib/ 

The central administrative body for cybersecurity, including the protection of classified data in information and communication systems and cryptographic protection. NÚKIB has also created a list of safety recommendations connected with OSS development in the public sector. The list is one of the methodology elements of code.gov.cz repository. NÚKIB is a strategic partner in OSS politics and in the Czech eGovernment.

Open Content

Email: info@opencontent.cz 
Web: https://www.opencontent.cz/ 

Open Content acts as an educational and integrative institution in the area of "open" aspects of our society, particularly in the areas of open data, education, research, access to state administration as well as issues of the Creative Commons licence family which represents an accessible option to contribute to the open culture through licensing own works. 

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  Denmark​​​​​​

 

OS2

Email: os2@os2.eu
Web: https://os2.eu/

The OS2 community  has the mission to increase the use of open source software in Denmark’s public administration. In their own words, OS2 is a ‘Danish public community that specify, develop and govern digital solutions by municipalities and for municipalities’. More specifically, OS2 is a network of Danish public organisations and private suppliers who collaborate on the creation of innovative digital solutions. The community focuses on the use of IP ownership and open source licences so as to prevent vendor lock-in and to reduce costs. 

KL (Kommunernes Landsforening)

Email: kl@kl.dk 
Web: https://www.kl.dk/ 

The Danish municipalities' association, KL, created a guide on the use of open source in 2021, together with the Danish Agency for Digital Government. To demonstrate the guide's practical application, it plans to conduct a proof of concept by adopting the Dutch open source codebase Signalen.

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  Estonia​​​​​​

 

Alvatal

Email: info@alvatal.ee
Web: http://alvatal.ee/ 

Alvatal  is a free and OSS association which unites Estonian companies, non-profit associations, and volunteers with the aim of ensuring transparency in software and hardware solutions. Several government bodies have partnered with Alvatal to support their activities. Alvatal is active in the educational sector and has implemented various pilots on cloud computing, desktop migration, and the use of different OSS solutions.

Nordic Institute for Interoperability Solutions (NIIS)

Email: info(@)niis.org
Web: https://www.niis.org/. 

NIIS was founded jointly by the governments of Estonia and Finland to collaborate on the development and management of X-Road, the interoperable data exchange system initially developed by Estonia. NIIS is responsible for the technical maintenance of X-Road and is also a network and cooperation platform for its member and partner governments. NIIS has its own internal development resources including the roles of a Chief Technology Officer, a Software Development Manager, and a development team consisting of external developers through vendors, but also coordinates code contributions to X-Road. Since 2018, NIIS maintains the GitHub page for the X-Road source code repository.

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  Finland​​​​​​

 

Finnish Centre for Open Systems and Solutions (COSS)

Web: https://coss.fi/

The Finnish Centre for Open Systems and Solutions (COSS) is a non-profit association that promotes open source, open data, open standards and APIs. The objective of COSS is to strengthen the competitiveness of Finland's software intensive industries, promote the growth and internationalization of open source businesses and reinforce the development of the Finnish information society with the support of open technologies and communities.

Association of Finnish Cities and Municipalities (Kuntaliitto)

Email: info@kuntaliitto.fi
Web: https://www.kuntaliitto.fi/

A strong advocate for all Finnish municipalities, the Association of Finnish Local and Regional Authorities promotes local self-government and the modernisation of municipal services. The Association’s core tasks are to advance the interests and development of municipalities and their partner organisations and to provide services for them. The Association brings the voice of municipalities and the entire local government sector to social debate and decision-making. 

Open Knowledge Finland (OKFI)

Web: https://www.okf.fi/

OKFI supports projects, communities, and working groups focused on open knowledge, science and culture. They engage in discussions to shape the future digital society to ensure that it is fair, sustainable and open.

Finnish UNIX Users Group (FUUG)

Email: fuug-hallitus@fuug.fi
Web: https://fuug.fi/

FUUG was founded in 1984 and is the oldest association of open system users in Finland. The Fuug Foundation also distributes grants to promote open information systems.

Avoinkoodi

Email: avoinkoodi@coss.fi
Web: http://avoinkoodi.fi/

Avoinkoodi is a national repository  listing  domestic government, municipal, and education software whose source code is publicly available. The purpose of the site is to facilitate the discovery of information and the mapping of existing solutions, not to provide a comprehensive service platform or instructions for launching projects.

Finnish Linux User Group - FLUG

Email: arto.alanen@flug.fi
Web: http://www.flug.fi/

The Finnish Linux User Group (FLUG) is an association of Finnish Linux users, the purpose of which is to promote activities related to Linux and to support Finnish Linux users and those interested in Linux. The association operates on a voluntary basis.

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  France​​​​​​

 

The Free Software Council (Conseil logiciels libres)

Email: floss@numerique.gouv.fr
Web: https://code.gouv.fr/fr/

As part of its free and open source software mission, in 2022 DINUM formed a council whose membership combines public agents from administrations committed to the use and development of free software as well as representatives of associations and foundations which in turn represent citizens, local authorities, and companies. It is a space for DINUM and members to share expertise which can later support DINUM in formulating its strategies.

Adullact

Email: contact@adullact.org
Web: https://adullact.org/

Founded in 2002, ADULLACT aims to support and coordinate the action of local authorities and communities in order to promote, develop and maintain a culture of free software for the provision of public services.

CNLL

Email: contact@cnll.fr 
Web: https://cnll.fr/ 

CNLL (France's Free Software and Open Digital Enterprise Union) is a trade association representing about 200 "pure players" companies (specialised or with a significant activity in free software): open source software vendors, systems integrators, consulting companies, etc. CNLL's main missions are to represent the OSS professional ecosystem to public authorities and existing national and international organisations, to ensure greater visibility of the entire ecosystem - its software and service offer, its specific assets and its needs, particularly in terms of employment and training; to enable the players in the sector to recognise themselves within it, to exchange and work together to develop the market, while respecting common values.

Inria

Web: https://www.inria.fr/fr

Inria is the French Institute for Research in Computer Science and Automation (Institut national de recherche en sciences et technologies du numérique). It was founded in 1967 and is a research institution focusing on computer science and applied mathematics. It has been an important support for open source since 1996 through the development of solutions, its initiatives InriaSoft and Inria Academy, and through the Software Heritage project it founded.

April - Promoting and protecting Free Software

Email: contact@april.org
Web: https://www.april.org/

Founded in 1996, April is the main French advocacy association devoted to promote and protect Free/Libre Software. 

Chtinux

Email: bonjour@chtinux.org
Web: http://www.chtinux.org/

Chtinux is the user group of FLOSS of Lille. The association aims at promoting FLOSS by providing support to the public. The association also takes part in discussions regarding ICT in the city.

La Fabrique des Mobilités

Email: https://lafabriquedesmobilites.fr/contact/ 
Web: https://lafabriquedesmobilites.fr/ 

The role of La Fabrique des Mobilités is to bring together all the voluntary players of the mobility sector, to source mobility projects, to capitalise on feedback in order to create a common culture of innovation in action and to help the sector evolve towards more responsible and sustainable mobility through the creation and sharing of commons. Its DNA is based on the strength of Open Source, on the creation of communities and on the animation of ecosystems of actors.

TOSIT (The Open Source I Trust)

Email: contact@tosit.fr
Web: https://tosit.fr/ 

TOSIT was established in 2017 as non-profit organisation that aims to encourage the development of open source code and IT solutions in the cybersecurity domain. TOSIT serves as a forum for members to share experiences and best practices, identifies strategic needs, conducts research on open source solutions, and promotes effective open source tools across different sectors. 

OW2

Email: https://www.ow2.org/view/About/Contacts
Web: https://www.ow2.org/

OW2 is a non-profit organisation that acts as both an independent open source software community and an ecosystem platform that facilitates interaction between open source code producers and consumers. Founded in 2007, its objective is to host and promote open source projects, and to manage a community of academics, companies, public bodies, NGOs and individuals involved in open source software development. OW2 regularly organises events to promote open source software and campaign for open models at political and social levels.

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  Germany​​​​​​

 

Centre for Digital Sovereignty of Public Administration (Zentrum für Digitale Souveränität der Öffentlichen Verwaltung, ZenDiS)

Email: hallo@zendis.de 
Web: https://www.zendis.de/en 

ZenDiS was founded in December 2022 to centrally manage and steer open source development in Germany. The centre aims to enhance the digital sovereignty of German public administration in key areas: (1) the provision of secure, stable, and scalable open source software solutions; (2) improved awareness of open source software (OSS) as a modern, stable, secure, and sovereign alternative and (3) the promotion of OSS in public administration.

Institut für Rechtsfragen der Freien und Open Source Software (ifrOSS)

Email: mail@ifross.de
Web: https://www.ifross.org/

The ifrOSS is a German organisation that provides legal services for open source software. 

Open Source Business Alliance e.V. (OSB Alliance)

Email: info@osb-alliance.com
Web: https://osb-alliance.de/

The OSB Alliance promotes the central importance of open source software and open standards for a digitally sovereign society. They advocate establishing open source as a standard in public procurement, in research and business development.

The German Unix User Group (GUUG)

Email: sage@guug.de
Web: https://guug.de/

The German Unix User Group, founded in 1984, is a non-profit organisation for professional system and network administrators, security experts and system programmers who prefer to use a Unix operating system. Unix includes free systems like Linux, BSD and OpenSolaris variants as well as commercial Unix systems. 

Center for the Cultivation of Technology

Email: contact@techcultivation.org 
Web: https://techcultivation.org/ 

The Center for the Cultivation of Technology (CCT) is a non-profit organisation that provides a supportive and nurturing environment for free and open source projects. They take care of organisational matters, including grant and donation management, contracts, employment, visa, office and legal setup, organisational structuring, fundraising, progress reporting and tax filings. 

Open Source for Equality

Web: https://www.oseq.org/ 

Open Source for Equality is a global initiative to promote the development and use of free and open source software that bridges the digital gender gap. It is the result of six years of work with the NGO URIDU, during which Digital Public Goods like Audiopedia (www.audiopedia.org) and open source solutions we developed that are used by local organisations to provide vital knowledge and practical information to marginalised, often illiterate populations.

Dataport

Email: poststelle@dataport.de 
Web: https://www.dataport.de/   

Dataport is a collaborative, multi-state institution and an IT service provider for public administration. Its structure and collaboration with public administration are regulated by a public state contract. In 2019, it created the dPhoenixsuite, which has been constantly updated since.

Vitako

Email: info@vitako.de 
Web: https://vitako.de/verein 

The Federal Working Group of Municipal IT Service Providers, Vitako, functions as a consultant and operational partner for municipalities. They serve as the primary point of contact for associations and decision-makers at all levels, addressing any inquiries related to the utilisation of information technology within the municipal sector.

IT-Planungsrats

Email: itplr@fitko.de 
Web: https://www.it-planungsrat.de/ 

The IT Planning Council is a central political steering body between the federal government and the states in matters of information technology and the digitalisation of administrative services. The resolutions of the IT Planning Council provide the federal government and the states with a binding basis for joint federal digitisation activities. Its working group on Cloud Computing and Digital Sovereignty was strongly involved in defining the use of open source in the country’s Digital Strategy. 

Govdigital eG

Web: https://govdigital.de/ 

A nationwide cooperative for the integration of IT solutions in the public sector, founded in 2019. With 28 members ranging from city administrations to service providers, the cooperative aims to create better joint development and implementation of IT services across public administrations. It has been put in charge of developing “opencode.de”.

Kommunale Gemeinschaftsstelle für Verwaltungsmanagement (KGSt)

 Web: https://www.kgst.de/ 

A professional association for municipal management jointly supported by cities, municipalities, and counties, with its headquarters in Cologne. With over 2400 municipalities and institutions as members, the KGSt acts as a cooperation agent and service provider for cities. It has led a project on the use of open source in cities and supported experiments around the subject at the local and federal levels.

DigitalService

Web: https://digitalservice.bund.de/en

DigitalService is a state-owned company acting as a digitalisation partner for German public administrations. It designs and implements digital solutions in close coordination with the federal government and public bodies to help digitise administrative processes. To this end, the company develops several open source projects which are publicly available on its GitHub page.

Open Knowledge Foundation

Email: info@okfn.org
Web: https://okfn.org/en/

Open Knowledge Foundation is an independent, non-profit organisation that promotes transparency, openness, and technological sovereignty in Germany by developing open source tools and organising educational programmes and campaigns. The organisation also aims to provide policymakers with information and expertise. It runs an open source fund for software prototypes (the Prototype Fund), has created a coding programme for young people (Jugend hackt) and leads a European platform to strengthen freedom of information (FragDenStaat).

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  Greece​​​​​​

 

The Open Technologies Alliance (GFOSS or EELLAK)

Email: info@eellak.gr
Web: https://gfoss.eu/ 

GFOSS is a non-profit organisation established in 2008, with 37 universities and research centres as its shareholders 9 . Their primary goal is to promote openness through the use and development of open standards and open technologies in education, public administration, and business across Greece. GFOSS serves as a platform for open standards, free software, open content, open data, and open hardware. The major Greek universities and research centres are active participants, while prominent members of the Greek developer community play a crucial role in implementing their policies. Throughout the years GFOSS has signed a large number of memoranda of cooperation and other types of agreements with many public sector organisations including the ministries of Digital Governance, Education and Religious Affairs, and Tourism;

GRNET S.A. – National Infrastructures for Research and Technology

Email: info-at-grnet.gr
Web: https://grnet.gr/en/

Operating since 1998, GRNET is one of the largest public-sector technology companies in Greece. Since August 2019, it has been operating within the remit of the MDG. It provides cloud computing, data management services, and e-infrastructures to academic and research institutions, educational bodies at all levels, and public sector agencies.

The Greek Linux User Group (GreekLUG)

Email: info@greeklug.gr
Web: https://www.greeklug.gr/

Established in 2008, this is an NGO that deals with OSS. Its activities involve presentations, seminars, talks, workshops and various events. It is active in the education sector, offering IT courses to teachers and students on OSS. GreekLUG also actively participates in the creation of educational material and is part of the GFOSS Alliance.

Hellenic Linux Users Group (HEL.L.U.G.)

Email: info@greeklug.gr
Web: https://www.linux.gr/

HELLUG is a non-profit association, founded in 1998, to promote Linux and FOSS and the general philosophy behind it. It is part of the GFOSS Alliance, and it is active in organising the FOSS community, summer schools, and FOSS events around Greece

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  Hungary​​​​​​

 

National Information and Communication Services (NISZ)

Email: info@nisz.hu
Web: https://nisz.hu/en/about_us

The National Infocommunications Service Company Ltd. (NISZ) is the leading ICT provider in the public sector in Hungary.

KIFÜ - The Hungarian Digitalisation Service

Email: info@kifu.gov.hu 
Web: https://kifu.gov.hu/main-page/ 

KIFÜ provides ICT services to the Hungarian public sector. The service is funded by the European Union, in partnership with the Hungarian government through the Széchenyi 2020 Programme (which supports the management of EU funds in the country).

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  Iceland​​​​​​

 

The Citizens Foundation

Email: citizens@citizens.is
Web: https://www.citizens.is/

The nonprofit Citizens Foundation was founded in 2008 in Iceland and now has offices in Iceland, the United States, the UK & the Netherlands. Its mission is to connect governments and citizens by creating open state-of-the-art engagement platforms and offering consultation on how to best plan and execute successful citizen engagement projects, while promoting the use of open source solutions.

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  Ireland​​​​​​

 

Irish Free Software Organisation (IFSO)

Email: committee@ifso.ie
Web: http://www.ifso.ie/

The Irish Free Software Organisation is a member organisation based in the Republic of Ireland which works to promote the use of free software in Ireland, and oppose legal or political developments which would interfere with the use or development of Free Software.

Open Ireland Network (OIN)

Email: info@openirelandnetwork.com 
Web: https://openirelandnetwork.com/ 

OIN aims to connect the open source community in Ireland while also engaging with the entire innovation ecosystem – including industry, government, and academia – to promote knowledge and skills related to open source. It regularly engages with the Irish government, including with the Office of the Government Chief Information Officer (OGCIO), to drive open source awareness amongst government bodies and public servants.

Lero Open Source and Open Science Programme Office (Lero-OSPO)

Email: ospo@lero.ie 
Web: https://sfi-lero.github.io/OSPO/ 

Hosted by the University of Limerick, Lero acts as an OSPO for a network of academic institutions in Ireland, encouraging the development of OSS and promoting related knowledge. Funded by the EU, the government of Ireland, and the Science Foundation for Ireland, Lero has 12 partner institutions as of 2023.

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  Italy​​​​​​

 

Competency Centre for Reuse and Open Source (CCROS)

Email: ccros@pcert.agid.gov.it
Web: https://www.agid.gov.it/it/design-servizi/riuso-open-source/centro-competenza-riuso-open-source

CCROS provides skills and tools to support the processes of purchase, development and reuse of IT solutions in public administrations, in line with the Guidelines on the acquisition and reuse of software for public administrations.

Italian Linux Society

Email: webmaster@linux.it
Web: http://www.linux.it/

ILS (Italian Linux Society), founded in 1994, has grown to become the largest Italian association for the promotion and dissemination of the Linux open source operating system and open source software. The Italian Linux Society promotes the spread of the open source Linux operating system and the free circulation of ideas and knowledge in computing as well as the study and free use of ideas and algorithms intended for the operation of computer systems. The Italian Linux Society donates to support free software activities, and expenses related to banquets, gadgets, etc. Italian Linuz Society has delegations in all regions of Italy..

PDP Free Software User Group

Web: https://pdp.linux.it/chi-siamo/

This group of open source software users is based in Fabriano, in central Italy. It was created in 2003 with the intention, explicitly stated in the articles of association, to promote the dissemination of knowledge and culture related to the use of open source software. It organises a Linux Day every year.

Linux User Group Bolzano-Bozen-Bulsan (LUGBZ)

Email: info@lugbz.org
Web: https://www.lugbz.org/

The user group was founded in 2001 as a non-profit organisation, with a mission to spread and publicise the GNU/Linux operating system and open source software in general. The association operates mainly at a local level, where it organises events such as workshops and lobbies for open source software.

Association for Free Software

Email: info@softwarelibero.it
Web: https://www.softwarelibero.it/

The Association for Free Software is a non-profit legal entity established in 2000. Its aim is to spread open source software in Italy and provide correct information about this sector.

Developers Italia

Email: contatti@developers.italia.it
Web: https://developers.italia.it/en/

Developers Italia is a community of developers who design and code Italian digital public services.

LibreItalia

Email: info@libreitalia.org
Web: https://www.libreitalia.org/

LibreItalia is a voluntary association to promote LibreOffice as a free tool for individual and corporate productivity. LibreItalia's goal is to spread LibreOffice and digital culture in all areas, from school to civil society, from public administration to companies, with a particular focus on standard and open document formats.

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Procurement Monitoring Bureau (IUB)

Email: pasts@iub.gov.lv
Web: https://www.iub.gov.lv/en

This administrative authority, subordinate to the Ministry of Finance, plays a key role in public procurement procedures. IUB oversees compliance with legal requirements in public procurement and concession procedures, provides methodological support to contracting authorities, and performs other functions defined by procurement-related legislation.

Latvian Open Technology Association (LATA)

Email: lata@lata.org.lv
Web: https://www.lata.org.lv/?lang=en

The association encompasses IT providers, users, and technology organisations. It advocates for the use of open source solutions in Latvia. LATA plays an active role in the policy discussions, promoting openness of technologies, interoperability, reusability, and open standards in Latvia. Since 2014 it has organised dedicated conferences, hackathons, and awards. LATA’s role extends beyond advocacy and event organisation to include education and training for children and young people.

The Latvian Geospatial Information Agency (LGIA)

Web: https://www.lgia.gov.lv/en

The agency collects and provides geographic data, ensuring Latvia’s official maps remain accurate and up to date. It surveys borders, produces maps for aviation and military purposes, maintains the official register of place names, and provides related services to public and private users. Although not an open source organisation, LGIA is recognised by the Latvian Open Technology Association (LATA) as an actor fostering innovation through open data.

Linux Centre of the University of Latvia

Email: info@linux.edu.lv
Web: http://linuxcentrs.lv/

Linux Centre is a laboratory of the Department of Programming, Faculty of Computer Science, University of Latvia, which unites teaching staff and Latvian open source enthusiasts. The mission of the center is to promote open source technologies as convenient and affordable solutions.

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æternity Foundation

Email: hello@aeternity-foundation.org
Web: https://www.aeternity-foundation.org/#mission

The æternity crypto foundation is a nonprofit organisation established in the Principality of Liechtenstein. The foundation supports open source development of the aeternity protocol and its surrounding ecosystems. With focus on blockchain technology, the organisation is committed to promoting technical excellence and user-friendly applications.

The Things Network - Liechtenstein

Email: ask_us_anything@thethingsnetwork.org
Web: https://www.thethingsnetwork.org/community/liechtenstein/

The open source community is building an open and decentralised Internet of Things network in Liechtenstein.

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  Lithuania

 

State Digital Solutions Agency (SDSA)

Email: info@vssa.lt
Web: https://vssa.lrv.lt/en/

The promotion and development of open source software lacks a significant strategic advocate outside the public sector in Lithuania. A key strategic player in this space is the SDSA, which is responsible for implementing Lithuania's digital policy. Operating under MEI and previously known as the Information Society Development Committee, SDSA coordinates Lithuania's information society development, defines methodology, monitors the lifecycle of state information resources, and manages the central eGovernment gateway, document reuse, and IT services. It drives digital transformation strategies, promotes open public data initiatives, and develops e-government applications. The Agency is also the designated authority and single point of contact to ensure the smooth implementation of the Interoperable Europe Act in the country.

Innovation Agency Lithuania - GovTech Lab Lithuania

Email: govtech@innovationagency.lt
Web:  https://govtechlab.lt/

The Innovation Agency Lithuania, working under the MEI, is responsible for the Lithuanian innovation ecosystem and the promotion of innovation at all stages of business development from developing ideas to delivering products and services to end-users. It also runs GovTech Lab Lithuania, a public sector team dedicated to developing innovative public services. It collaborates with public institutions to identify key challenges and supports startups and SMEs in creating GovTech applications.

Open Source Code for Lithuania (Atviras Kodas Lietuvai)

Email: info@akl.lt 
Web:  http://web.archive.org/web/20180810031011/http://www.akl.lt/

In the past, the NGO Open Source Code for Lithuania played a key role in advancing the adoption and recognition of open source across the country. The organisation focused on ensuring consistent access to open source, as well as providing updates, training, and services sourced locally in Lithuania. However, while it was once an active campaigner for open source software, the organisation now appears largely inactive, with only occasional updates regarding its internal operations found on its GitHub page.

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CLUSIL community

Email: info@clusil.lu 
Web: https://clusil.lu/index.html

This platform collaborates with public authorities for the security of information. With about 150 individual members and 30 organisations from all economic sectors, it is a well-established and independent actor in the Information Security Landscape of Luxembourg and the “Greater Region”.

Interdisciplinary Centre for Security, Reliability and Trust (SnT)

Email: snt@uni.lu
Web: https://www.uni.lu/snt-en/

This research centre aims to bridge the gap between science and industry in four areas: Cybersecurity, Autonomous Systems, FinTech, and Space Systems. It uses open source software strategically to boost its socio-economic impact, provide expertise to both private and public research funders, while keeping high levels of scientific excellence and publications.

Luxembourg Institute of Science and Technology (LIST)

Web: https://www.list.lu/

This Institute is a research and technology organisation that develops competitive and market-oriented product/service prototypes for public and private stakeholders. Its IT for Innovative Services (ITIS) department, with its 100 researchers and engineers, focuses on the digital transformation of operations in organisations with traditional environments and digital ecosystems, with the aim of improving their performance and innovation capacity. LIST has a dedicated repository on GitHub.

GNU/Linux User Group Luxembourg (LiLux)

Email: contact@lilux.lu
Web: http://www.lilux.lu/home.html

Lilux ASBL is an non-profit organisation promoting the usage of the GNU/Linux system as well as other free and open source software.

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  Malta​​​​​​

 

Malta Information Technology Agency (MITA)

Email: callcentre.mita@gov.mt​
Web: https://www.mita.gov.mt/en/Pages/MITAHome.aspx

The Malta Information Technology Agency (MITA) is the central driver of Government’s Information and Communications Technology (ICT) policy, programmes and initiatives in Malta.

Malta Linux User Group

Web: https://spelling.mt/mlug.html

The Malta Linux User Group is a non-profit organisation promoting the use of Linux and Open Source software in Malta. It is at the origin of the Maltese online spellchecker project.

Open Source Society Malta (OSSMalta)

Email: info@ossmalta.eu
Web: https://ossmalta.eu/

OSSMALTA – Open Source Society Malta is an open source community, which implements open source projects developed and designed by in-house and community developers in and around the Maltese islands.

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Logius

Web: https://www.logius.nl/ 

Logius is a digital government service originating from within the Ministry of the Interior and Kingdom Relations. Logius developed the Dutch government’s public digital applications, including DigiD, MyGovernment and Digipoort. It has an OSPO. 

Code for NL

Email: johan@codefor.nl 
Web: https://www.codefor.nl/

Code for NL is the Dutch community of developers and designers who work together on an open, fair and inclusive digital government and society. The association aims to foster the successful digital transformation of municipalities, other governments and society as a whole. Code for NL is a governing partner of the international Code for All network.

Delta10

Email: info@delta10.nl
Web: https://www.delta10.nl/en/

Delta10 is company gathering a multidisciplinary team of developers, designers and jurists with broad experience within public bodies. Delta10 works together with public administrations on improvements of their ICT by developing open source solutions, on a project basis. They aim to develop software that can be effectively reused by other public bodies.

Dutch UNIX Users' Society (NLUUG)

Email: info@nluug.nl
Web: https://www.nluug.nl/index.html

The NLUUG is the association of professional UNIX users in the Netherlands. Since the late seventies, the NLUUG has brought together the community of UNIX systems administrators, programmers, researchers and IP network professionals. The primary goal of the NLUUG is to extend the application of, and knowledge about, UNIX and related open systems. NLUUG's activities are directed towards the exchange of information, the promotion of its members' interests, and the support of open systems, networks and user interfaces. Twice a year the NLUUG organizes a national conference. Besides tutorials, technical and product-oriented talks and presentations, these conferences offer an excellent opportunity to meet other Unix users, suppliers and researchers.

Forus Foundation

Email: info@forus.io
Web: https://www.forus.io/nu

Forus is a foundation which develops digital solutions to help tackle public domain issues efficiently, lawfully and efficiently. The developed code is public and accessible to everyone.

ICTU Foundation

Email: info@ictu.nl
Web: http://www.ictu.nl/

ICTU helps governments to improve their services with ICT, in the service of public administration. In the open source ecosystem, ICTU wants to help governments innovate intergovernmentally, as one government, with a learn-do-share environment and a network of collective intelligence.

Standardisation Forum

Email: https://www.forumstandaardisatie.nl/form/contact
Web: https://www.forumstandaardisatie.nl/

Standardisation Forum is an advisory committee with experts from various government organisations, businesses and science. The members are appointed by the Ministry of the Interior and Kingdom Relations.

SURF

Email: info@surf.nl
Web: https://www.surf.nl/en

SURF is the collaborative organisation for ICT in Dutch education and research.

Waag technology and society

Email: https://waag.org/en/contact
Web: https://waag.org/en/home

Waag is a middle-ground organisation composed of research groups that work with both grassroots initiatives and institutional partners across Europe. Working with emergent technologies including open source software, Waag conducts research in both imaginative and practical terms, addressing its fellow citizens from a position of equality and collaboration.

VNG Realisatie

Web: https://vng.nl/ 

The Association of Dutch Municipalities is the umbrella organisation of all municipalities of the Netherlands. They work together to set the agenda for issues and developments relevant to municipalities. They have a strong open source engagement and support its use in local administrations.

NLnet Foundation

Email: https://nlnet.nl/contact/ 
Web: https://nlnet.nl/ 

Founded in 1982, the foundation was at the forefront of spreading the Internet in Europe. It supports an important number of projects, among which are many open source and open technologies. 

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Free Software Macedonia

Email: info@slobodensoftver.org.mk
Web: https://slobodensoftver.org.mk/about_free_software_macedonia

Free Software Macedonia (Слободен софтвер Македонија, Sloboden softver Makedonija) is a non-profit organisation that is dedicated to the promotion of free software in order to create awareness and contextualise its use from an economic and socio-ethical perspective.

Metamorphosis

Email: info@metamorphosis.org.mk 
Web: https://metamorphosis.org.mk/ 

This foundation, based in Skopje, encourages citizens and civil society to use innovative tools to exert their civil rights. It is a leading advocate in fostering civil engagement through the use of information technology and knowledge sharing. It also works closely with the Ministry of Digital Transformation in the framework of the government’s open society and transparency initiatives by providing expert advice. 

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Norwegian Unix User Group

Email: sekretariat@nuug.no
Web: http://www.nuug.no/

NUUG is a non-commercial association for companies and individuals working for the dissemination of UNIX-like systems, free software and open standards in Norway.

The Norwegian Digitalisation Agency (Digdir)

Email: postmottak@digdir.no 
Web: https://www.digdir.no/ 

The Agency is the Norwegian government’s foremost tool for faster and more coordinated digitalisation of the Norwegian public sector. It is subordinate to the Ministry of Local Government and Modernisation. The Norwegian Digitalisation Agency also works with several advisory bodies related to digitalisation. The Agency is responsible for Altinn – an open source eGovernment platform – and other open source solutions, including the national data catalogue, data.norge.no. 

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  Poland​​​​​​

 

Internet Society Poland Chapter

Email: zarzad@internetsocietypoland.org
Web: https://www.internetsocietypoland.org/

The Polish chapter of the Internet Society was founded in 2020. The Internet Society is an organisation that develops the Internet - developing technical standards, improving accessibility, education, and working with political decision-makers. One of the main principles of the Internet Society is to promote internet governance in an open, transparent and consensual manner.

Poland Linux Users Group (PLUG)

Email: sekretarz@linux.org.pl
Web: http://www.linux.org.pl/

The Polish Linux Users Group is an association which aims to popularize GNU / Linux in both academic and commercial environments. It is also intended to facilitate contacts between those interested in this operating system by organizing meetings, demonstrations, seminars and trainings, as well as - in the future - testing and validation of equipment as compatible with GNU / Linux.

Reszka Free Software Foundation (Fundacja Wolnego Oprogramowania Reszka)

Web: https://reszka.org/

Reszka Free Software Foundation is a non-profit organisation that advocates for the adoption of open source technologies within governmental and local administrations, businesses, and other non-governmental organisations. The foundation is a member of the SPOIWO alliance.

Instrat

Email: patryk.berus@instrat.pl
Web: https://instrat.pl/o-fundacji-instrat/

Instrat is a think tank that supports public policies regarding open data and research. It advocates for a fair, green and digital economy and supports the implementation of open source software in public administration.

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Association of Portuguese Open Source Software Companies (ESOP)

Email: info@esop.pt
Web: https://www.esop.pt/

The Association of Portuguese Open Source Software Companies (ESOP) is a business association that represents Portuguese companies dedicated to the development of software and the provision of services based on open source technologies.

National Association for Open Software (ANSOL)

Email: contacto@ansol.org
Web: https://ansol.org/

The National Association for Open Software (ANSOL) is a non-profit association whose purpose is the dissemination, promotion, development, research, and study of OSS.

Association for Free Teaching

Email: http://ensinolivre.pt/?page_id=245
Web: http://ensinolivre.pt/

The Association for Free Teaching (Associação Ensino Livre) aims to promote the use of free software in the Portuguese education system. To this end, the association organises trainings and other activities to keep the public informed about OSS.

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  Romania​​​​​​

 

CivicTech Romania

Email: office@civictech.ro
Web: https://civictech.ro/#who

CivicTech Romania , founded by former members of GovITHub , brings together public sector, OSS and IT enthusiasts to develop solutions to help make Romania more digitised and connected.

Code 4 Romania (Code4Ro)

Email: contact@code4.ro
Web: https://code4.ro/ro/

Code 4 Romania (Code4Ro) is a community of young professionals who develop OSS IT solutions to address Romania’s key societal challenges. They work in four key areas: information and access to public data, education and promotion of culture, involvement and civic collaboration, and facilitating access to public services. The community’s GitHub page has over 20,000 community revisions.

Romanian Open Source and Free Software Initiative (ROSI)

Email: lucian.savluc@eliberatica.ro
Web: http://rosi.ro/

The Romanian Open Source and Free Software Initiative (ROSI) is a member-driven community with the objectives of developing and sustaining a healthy OSS community and fostering digital civil society. One of its key objectives is the promotion of OSS within the Romanian government.

ROSEdu

Web: http://www.rosedu.org/en/

ROSEdu is a community of OSS enthusiasts whose goal is to spread the use of OSS by means of education. The community works with young pupils to train them in the use of OSS tools. Most ROSEdu members are current students or graduates of the Polytechnic University of Bucharest.

Fundația Ceata

Email: info@ceata.org 
Web: https://ceata.org/ 

This foundation is dedicated to promoting digital rights and the benefits of the free software philosophy of the GNU Project12. Founded in 2013, it has carried out activities and projects to promote open source solutions and open technology.

ApTI (Association for Technology and Internet)

Web: https://www.apti.ro/apti-english 

This non-profit organisation advocates for a free and open Internet that respects and guarantees fundamental rights. It supports the use of open source solutions to ensure transparency and safety in the digital sphere.

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  Serbia

 

LUGoNS

Web: https://lugons.org/?lang=en

LUGoNS is the Linux User Group in Novi Sad, the second-largest city in the country. It is also the region’s oldest Linux community, emerging around the turn of the millennium. Early on, its members opened the Forum and the Lab and began working on projects and educational studies, focusing on free software, programming, and technologies. They have also organised numerous presentations and gatherings at the LUGoNS hackerspace, including Linux Install Days and BalCCon. Current projects include translating projects from English to Serbian (e.g. Slackbook and the Gentoo Handbook), as well as delivering lectures online and at universities.

Petlja Foundation

Web: https://petlja.org/en/index

The foundation aims to promote and improve algorithmic and computer literacy in Serbia by offering free programming courses to everyone. Although these classes are not part of the official curriculum, they are often used in schools for programming education by students and teachers alike. Most of the content is open source, and the foundation has a GitHub repository.

Digital Serbia Initiative

Web: https://www.dsi.rs/en/

The Digital Serbia Initiative is a non-profit, non-governmental organisation that focuses on developing a strong and globally competitive digital economy in Serbia. With over 30 members specialising in digital issues and technology, the organisation aims to foster a business environment that supports the digital economy. To this end, it supports programmes in areas such as formal and informal education, startup ecosystem development, legal and regulatory frameworks, digital infrastructure, and public dialogue on digital transformation.

SHARE Fondacija

Web: https://sharefoundation.info/en/

Established in 2012, this foundation is a non-profit organisation that aims to advance human rights and freedoms online, as well as promote the positive values of an open and decentralised internet. It also advocates for free access to information, knowledge and technology. The SHARE Foundation's main areas of activity are freedom of expression online, data privacy, digital security, and open access to knowledge. The foundation is also a member of the European Digital Rights (EDRi) network.

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Society for Open Information Technologies (Spoločnosť pre otvorené informačné technológie, SOIT)

Email: vybor@soit.sk
Web: http://www.soit.sk/sk/organizacia/info-in-english

The Society for Open Information Technologies (SSOIT) is a non-profit civic association of open source enthusiasts which advocates for the use of open information technologies in diverse areas of Slovak society. The association organises events for the promotion of OSS solutions, such as the Open Source Weekend and many panel debates.

Slovensko.Digital

Email: kontakt@slovensko.digital
Web: https://slovensko.digital/

Slovensko.Digital is a civic association promoting transparency and efficiency in the use of public resources as well as the digitalisation of public administration. The association promotes and develops OSS solutions in cooperation with the Slovak public administration.

SPy - Slovak Python User Group

Email: info@pycon.sk
Web: https://2019.pycon.sk/en/index.html

SPy ("Slovak Python User Group") is a civic association which aims to support developers and users of the Python programming language. The association also promotes Python and other open source technologies in Slovak society

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Linux User Group Of Slovenia (LUGOS)

Email: http://www.lugos.si/contact-info
Web: http://www.lugos.si/

The purpose of the Lugos Association is to unite all Slovenian users of the free Linux operating system and to spread and promote Linux among other computer users.

Slovenia's Open Source Centre (Centre Odprte Kode Slovenije)

Email: podpora@coks.si
Web: https://www.coks.si/index.php5/Glavna_stran

Slovenia’s Open Source Centre (COKS) is a national centre that supports the development, use, and knowledge of open source technologies and OSS solutions in both the public and private sectors.

Today Is A New Day (Danes je nov dan – DJND)

Email: vsi@danesjenovdan.si 
Web: https://danesjenovdan.si/ 

DJND is an NGO that works at the intersection of digital technologies and democratic processes to build a more inclusive and equitable collective future. It has created and manages several open source initiatives in Slovenia, most notably the Parlameter platform, used by several municipalities, as well as the National Assembly, to monitor the work of public institutions. 

The network of NGOs for an inclusive informational society (Mreža NVO-VID – Network NVO-VID)

Email: mreza.nvo@informacijska-druzba.org 
Web: https://www.informacijska-druzba.org/ 

The network aims to provide a supportive environment for NGOs working in different fields of the information society and digital transformation. One particular working group is focused on Free and Open Source Software (FOSS). 

Duh Časa

Web: https://www.duh-casa.si/ 

This non-profit volunteer organisation is dedicated to sustainable development, social equality, the common good, open source, and the transition towards sustainable energy sources. Mostly engaged in the practical aspects of open source solutions, the organisation has some open source projects, but its core activities involve refurbishing and repairing computers, installing Linux and other open source software, and donating these computers to those in need. 

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  Spain​​​​​​

 

Red.es

Email: suggestions@red.es
Web: https://www.red.es/redes/es/que-hacemos/fuentes-abiertas-y-soluciones-reutilizables

Red.es advises Spanish Public Administrations on issues related to open sources and reusable solutions.

Technology Transfer Center (CTT – Centro de Transferencia de Tecnología)

Web: https://administracionelectronica.gob.es/ctt/ctt#.XwWPNygzY2w

Portal for the dissemination and reuse of technical solutions (services, developments, infrastructures, regulations, semantic assets, etc.) of interest for the development of electronic administration. It constitutes a knowledge base of technical information in the area.

KDE España

Email: contacto@kde-espana.org 
Web: https://www.kde-espana.org/ 

This is the Spanish chapter of the international KDE open source community. It has a working group dedicated to promoting open source software and running training courses for public administrations. 

The ESLE Association (Association of Software Companies of the Basque Country)

Email: gestion@esle.eu  
Web: https://www.esle.eu/es/quienes-somos 

Established in October 2005, this is a non-profit association based in Vitoria-Gasteiz, the capital of the Basque Country. It is driven by 17 Basque companies that base their business model on open source software.

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  Sweden​​​​​​

 

eSam

Web: https://www.esamverka.se/

eSam is a member-driven programme for collaboration between public authorities, which aims to facilitate and accelerate the digitisation of the Swedish public sector. Its 34 members (public authorities) collaborate to fully benefit from the opportunities offered by digitisation. eSam was formed in 2015 on the initiative of the members of the e-delegation when their initial work was completed. In 2021, they published a report on collaborative digital cloud solutions, many of them being open source alternatives to solutions currently used in public administrations. 

NOSAD - Network Open Source and Data

Web: https://nosad.se/

The purpose of the Sambruk association is to promote collaboration and efficiency in the digitalisation process of multiple stakeholders. Its core services include the support in the delivery of eGovernment services by Swedish municipalities. One of the main principles on which the association is based is openness, to share competences, experiences and resources including open source software.

Open Source Sweden

Web: https://opensourcesweden.org/

Open Source Sweden is a non-profit organisation for suppliers of open technologies with the mandate to promote an open and well-functioning market for development, sales and delivery of open software and related services to both private and public organisations, based on open standards. The association is active both on the national level and within international networks of OSS actors. Open Source Sweden is a member of Europe’s Open Source Business Association, or APELL.

The Swedish Public Employment Service (Arbetsförmedlingen)

Web: https://arbetsformedlingen.se/

The Swedish Public Employment Service publicly shares around 400 components and systems with a focus on open data and a human-centric data infrastructure. It has created an open source platform for the collaboration on the labour market nationally and internationally. The agency is also continuously researching innovative and collaborative approaches to data sharing through openness and transparency with the citizens.

The “E-delegationen”

Web: https://www.regeringen.se/

The “E-delegationen” was an expert group in e-government established on 26 March 2009 and active until 2015. After their initial work, coordinating the state authorities' IT-based development projects, the authorities whose Directors-General were members of the e-Delegation wanted to continue the cooperation and therefore started the eSam programme to continue to work together on digital development.

SAMBRUK

Email: bransch@sinf.se
Web: https://sambruk.se/om-sambruk/

The purpose of the Sambruk association is to promote collaboration and efficiency in the digitalisation process of multiple stakeholders. Its core services include the support in the delivery of eGovernment services by Swedish municipalities. One of the main principles on which the association is based is openness, to share competences, experiences and resources including open source software.

Swedish Agency for Public Management

Email: registrator@statskontoret.se
Web: http://www.statskontoret.se/InEnglish

The Swedish Agency for Public Management (Statskontoret) conducts studies and evaluations at the request of the Government. It aims to modernise public administration using IT and studies the potential use of free and OSS solutions.

Clear Byte

Email: info@clearbyte.org
Web: https://www.clearbyte.org/?lang=en 

Clear Byte is a research and development NGO whose core principles are based on collaboration, participation and openness to ensure social inclusive digital transformation and development. In partnership with the public sector, we facilitate maintaining relations with the open source ecosystem to reciprocate value creation and guiding participation in open innovation processes.

The Swedish Internet Foundation

Email: info@internetstiftelsen.se
Web: https://internetstiftelsen.se/en/ 

The Swedish Internet Foundation is an independent organisation driven by business and public services. The foundation works towards a positive contribution of the internet to people and society. It actively supports open source software and maintains a repository on GitHub.

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  Switzerland​​​​​​

 

CH Open Association

Email: info@ch-open.ch
Web: https://www.ch-open.ch/en/

The CH Open association has been promoting open systems and standards in the Swiss ICT landscape since 1982. With numerous active working groups and events, CH Open informs and networks companies, public administration, educational institutions and individuals, and organises political campaigns calling for more openness and sustainability in IT. CH Open has around 200 individual members, 54 collective members (companies and public authorities) and 52 sponsors. Numerous instances of cooperation with Swiss and foreign ICT associations, communities as well as universities and public authorities contribute to the implementation of CH Open's interests at all levels. CH Open also runs the portal www.opensource.ch. It is aimed at all those interested and involved in OSS. Open source news, white papers and best practices, events and training courses, job offers for open source professionals, videos and more are published on this platform. CH Open also operates the OSS Directory, a database of companies, products, references, and events among others. It is operated as part of the CH Open portal.

Open Source Specialist Group (SwissICT Fachsgruppe)

Email: info@swissict.ch
Web: https://www.swissict.ch/professional-group/open-source/

The Open Source Specialist Group (SwissICT Fachsgruppe) is based on a collaboration between SwissICT and CH Open. The group’s main aim is to strengthen technical competence in the field of OSS and bring attention to the topic.

Gull

Email: info@linux-gull.ch
Web: https://www.linux-gull.ch/

Gull is a non-profit association focused on the French-speaking communities in Switzerland. Its aim is to promote open source computing in civil society.

OSS Directory

Email: matthias.stuermer@ch-open.ch
Web: https://www.ossdirectory.com/

The OSS Directory is a database of companies, products, references, and events among others. It is operated as part of the CH Open portal.

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Flag of Turkey

  Turkey​​​​​​

 

Scientific and Technological Research Council of Turkey (TÜBITAK)

Web: https://www.tubitak.gov.tr/en

The Scientific and Technological Research Council of Turkey (TÜBITAK) is the governmental agency in charge of the management, funding, and conduct of scientific and technological research in Turkey.

Türksat

Email: info@turksat.com.tr
Web: https://www.turksat.com.tr/en

Türksat is a state-owned company that develops and operates a vast array of mission-critical software projects and IT infrastructure for the government.

Turkey Open Source Platform

Web: https://www.turkiyeacikkaynakplatformu.com/

Turkey Open Source Platform is a civil initiative that brings all actors together with a precompetitive cooperation model for the development of an OSS ecosystem in Turkey.

Flag of Ukraine

  Ukraine

Kitsoft

Email: https://kitsoft.ua/contacts
Web: https://kitsoft.ua/

Kitsoft is a tech company that has been working in governance technology for over ten years and facilitates Ukraine’s digital transformation through the development of open source projects. Kitsoft works with governmental and non-governmental actors to create dialogue on relevant digital developments for citizens, businesses and the state. Among other things, Kitsoft worked under the commission of the Ministry of Digital Transformation to develop the open source platform for state services Diia. It has also created the open source platform Liquio.

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   United Kingdom​​​​​​

 

OpenUK

Email: amanda.brock@openuk.uk
Web: https://openuk.uk/

Not for profit organisation committed to develop and sustain UK leadership in Open Technology, being open source software, open source hardware and open data.

The British Computer Society, Open Source Specialist Group (BCS)

Mail: ossg@bcs.co.uk
Web: https://www.bcs.org/

The British Computer Society, Open Source Specialist Group (BCS), aims to inform the wider audience about OSS and its implications. It also acts as a centre of expertise on OSS use.

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 Europe and worldwide​​​​​​

 

OpenForum Europe

Email: info@openforumeurope.org
Web: http://www.openforumeurope.org/

OpenForum Europe is a new initiative, whose objective is to accelerate and broaden the market take-up of Open Source Software (OSS) including Linux. Major vendors and distributors, software houses, services and integration companies, as well as major users, are all supporting the project. OpenForum Europe aims to strengthen the perception and credibility of the Open Source offering, particularly within government and commercial organisations.

Foundation for Public Code

Email: info@publiccode.net
Web: https://publiccode.net/

The Foundation for Public Code helps open source projects for public organisations to become successful, build sustainable communities around them and create a thriving public open source ecosystem.

KDE

Web: https://kde.org/

KDE is a powerful graphical desktop environment for Linux workstations. It combines ease of use, contemporary functionality, and outstanding graphical design with the technological superiority of the Unix operating system.

Debian

Email: debian-devel@lists.debian.org
Web: https://www.debian.org/

The Debian Project is an organization of free software developers who volunteer their time and effort in order to produce a completely free operating system known as Debian GNU/Linux.

OW2

Email: https://www.ow2.org/view/About/Contacts
Web: https://www.ow2.org/

OW2 is a global open-source software community whose goal is the development of open-source distributed middleware, in the form of flexible and adaptable components. These components range from specific software frameworks and protocols to integrated platforms. OW2 developments follow a component-based approach.

Foundation for a Free Information Infrastructure

Web: https://ffii.org/

The Foundation for a Free Information Infrastructure is an open coalition of commercial companies and non-profit associations united to promote and protect a vigorous European Software Culture based on Open Standards, Open Competition, Linux and Open Source Software. Companies, members or supporters of EuroLinux develop or sell the software under free, semi-free and non-free licenses for operating systems such as Linux, MacOS or Windows.

Free Software Foundation Europe

Email: contact@fsfe.org
Web: https://fsfe.org/index.fr.html

The Free Software Foundation Europe (FSF Europe) was founded in 2001 as the sister organization of the Free Software Foundation (FSF) in the USA to take care of all aspects of Free Software in Europe.

APELL

Email: https://www.apell.info/
Web: https://www.apell.info/

APELL (Association Professionnelle Européenne du Logiciel Libre) is Europe’s Open Source Business Association. It was founded in 2020 to bring national Open Source Software organisations together into a European network, in order to provide them with peer support and collective marketing, as well as capacity building and policy support for public affairs, both nationally and on the EU-level.