Open Source Software

Featured Content

Last update: 06/03/2026

EU Open Source Solutions Catalogue

The European open source solution catalogue is a federation of open source solutions created by and for European public services .

Last update: 06/03/2026

About OSOR

The Open Source Observatory (OSOR) is a place where you can share knowledge (news, events, solutions) on open source in public administrations.

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

24/03/2026

Virtual event

Peer learning session #1: Interoperability testing and securing instant communication

Join this peer learning session to learn about the Interoperability Test Bed and Tchap solutions and how they help test for interoperability and secure instant communication.

CollaborationStandardisationEuropean Policies