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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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SEMIC Assets Recognised Under the Interoperable Europe Act
Last update: 16/01/2026

SEMIC Assets Recognised Under the Interoperable Europe Act

DCAT‑AP and the Core Vocabularies two key SEMIC assets have been officially recognised by the Interoperable Europe Board as labelled solutions under the Interoperable Europe Act.
Interoperable Europe policyCollaborationOpen Source Software
1
News
EUDI Wallets
Last update: 16/01/2026

ITB in support of the EU Digital Identity Wallet

The Interoperability Test Bed (ITB) is providing conformance testing support for the EU Digital Identity (EUDI) Wallet initiative, starting by powering the first successful EUDI Wallets Launchpad 2025 peer-to-peer testing event.
eIdentity and eSignatureICT+3 topics
1
News
Image with text highlighting publiccode.yml as a cornerstone of EU public sector open source software sharing and reuse
Last update: 14/01/2026

publiccode.yml and public sector open source software

An exploration of how publiccode.yml is transforming public sector open source software across Europe.
Open Source SoftwareCollaboration+3 topics
0
News