Open Source Software

Featured Content

Last update: 26/03/2025

EU Open Source Solutions Catalogue

European Open-Source Software Solutions Catalogue

Last update: 11/12/2025

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: 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

IN THE SPOTLIGHT

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16/03/2026

Physical event

FOSS Backstage 2026

The two-day conference brings together experts from across the open source software ecosystem to discuss community development, project management, and compliance. The event focuses specifically on…

Open Source Software

Last update: 26/01/2026

Shifting into high gear

VECTO is an open source simulation tool to create "digital twins" to certify the CO₂ emissions of heavy-duty vehicles annually, replacing the need for complex physical testing.

Open Source Software