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Open Source Software

Open source software enables users to use, study, redistribute, and modify software freely. It fosters interoperability by promoting standards-based development and collaboration among stakeholders. Keep up-to-date with the latest practices and tools of open source technology to ensure interoperability in digital public services.

Featured Content

Last update: 26/03/2025

EU Open Source Solutions Catalogue

European Open-Source Software Solutions Catalogue

Open Source Software
Last update: 01/09/2025

About OSOR

Mission of the Open Source Observatory of the European Commission
European PoliciesOpen Source SoftwareDigital innovation
Last update: 22/05/2025

EC Open Source Programme Office (EC OSPO)

As each EU member state, the Commission has an Open Source Programme Office(OSPO) facilitating activities around the open source.
ICTOpen Source Software
Last update: 24/03/2025

EUPL

This EUPL collection focuses on open licensing in general. It includes the European Union Public Licence and more: A licensing assistant and guidance for all IT developers, practitioners or users
European PoliciesLegal+3 topics
Last update: 17/03/2025

Find and compare software licenses

A unique tool allowing everyone to compare and select open licences based on their content.
Legal
Last update: 25/03/2024

Introduction to Open Software Licensing course

This free e-learning course provides a solid understanding about software licensing and licence types. It is a European Commission solution.
Culture and educationLicensing

IN THE SPOTLIGHT

Last update: 30/07/2025

Help Shape the Future of Critical Open Source in Europe!

This article invites participation in a survey conducted by the European Commission's FOSSEPS team to assess the impact and sustainability of critical open source software in the EU public sector.
Open Source Software
Last update: 26/08/2025

Robert Koch Institute partners with ZenDiS

A new partnership between the Robert Koch Institute and ZenDiS has established openDesk as the new open source technical basis of Agora, which is used as a communication and collaboration platform across the German healthcare system.
Open Source SoftwareScience and technologyeHealth

Latest News

Last update: 05/09/2025

Public sector employees required to use French-developed Tchap app

The French government mandates the use of the open source communication platform Tchap to public officials.
ToolsOpen Source Software+3 topics
Last update: 02/09/2025

PM² Management Skills - Instrumental for Europe's Labour Market

The PM² Methodologies were presented at Cedefop's 50th Anniversary Conference: Shaping Learning and Skills for Europe, which highlighted the critical role of skills in driving productivity, innovation, inclusion, and resilience in Europe.
Open Source Software
Last update: 02/09/2025

PM² for Managing EU-Funded Projects

PM², the project management methodology developed by the European Commission, provides an accessible, practical, and adaptable framework that helps teams manage EU grants with greater clarity, alignment, and efficiency.
Open Source Software