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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: 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: 26/03/2025

EU Open Source Solutions Catalogue

European Open-Source Software Solutions Catalogue

Open 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: 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: 21/05/2025

‘Open source the only option’

Three data scientists at the Commission are working on open source software to analyse the Digital Services Act Transparency Database, to ad researchers in sorting and visualising moderation data.
Digital-ready policymakingOpen Source Software

Latest News

Last update: 20/06/2025

Denmark embraces Open Source Software

Denmark moves away from Microsoft: A push for open source software and digital sovereignty
Content and knowledge managementICT+2 topics
Last update: 18/06/2025

Aarhus and Copenhagen Choose Open Source

The municipalities of Copenhagen and Aarhus are choosing open source alternatives to reduce their reliance on proprietary software and cloud infrastructure.
eGovernmentCulture and educationOpen Source Software