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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

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Last update: 26/03/2025

EU Open Source Solutions Catalogue

European Open-Source Software Solutions Catalogue

Open Source Software
0
Collection
Last update: 11/12/2025

About OSOR

Mission of the Open Source Observatory of the European Commission
European PoliciesOpen Source SoftwareDigital innovation
1
Custom page
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
76
Collection
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
114
Collection
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
7
Custom page
Mastering Open Source governance for EU Public services
Last update: 19/11/2025

New learning path on Open Source for EU Public services

A learning path is a collection of different courses enabling you to acquire fundamental knowledge and skills in specific topics.
Open Source SoftwareReusable Software ComponentsEuropean Policies
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News

IN THE SPOTLIGHT

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Wikimedia Foundation, CC Attribution-ShareAlike 4.0
Last update: 12/12/2025

XWiki supporting three hubs within the EDMO network

XWiki supporting three hubs within the EDMO network
CollaborationObservatories+2 topics
0
News
29/01/2026
Physical event

Drupal EU Government Day 2026

The Drupal EU Government Day 2026 Conference brings together digital professionals and policy makers from across European government agencies to share best practices and innovations.
Open Source Software
0
Event
How to navigate the Portal webinar visual
28/01/2026
Virtual event

Webinar: How to navigate the Interoperable Europe Portal

Join this webinar to learn how to navigate the Portal and make the most of its key features. Through live demonstrations, participants will discover helpful spaces, advanced search options, and…
Collaboration
1
Event

Latest News

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Last update: 08/01/2026

Europe seeking input for its Open Source strategy

The European Commission just published a call for evidence as an input to a forthcoming European Open Digital Ecosystem Strategy
ICTEuropean PoliciesOpen Source Software
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News
Swiss flag
Last update: 05/01/2026

The Swiss privacy regulator establishes new compliance standards

Swiss government agencies face immediate compliance requirements to transition away from US-based cloud service providers, following a November 2025 decision from Privatim.
Digital governmenteProcurement+4 topics
0
News
OSOR logo
Last update: 18/12/2025

OSOR Newsletter - December 2025

In the December 2025 OSOR Newsletter you’ll find the latest news, studies, software and upcoming events on the topic of free / open source software. Enjoy the read!
Open Source Software
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News