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 .
Open Source Software
Featured content
Last update: 28/07/2026
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
IN THE SPOTLIGHT
13/10/2026
Physical event
Capital Series Ireland - Open Source and the European Union
The 9th instalment of our cyclical events, Capital Series Ireland, will bring Brussels-level discussions of open source policy directly to Dublin. This event is a unique opportunity for the local open…
Open Source SoftwareArtificial intelligence
Last update: 05/08/2026
Twenty
Twenty is a self-hostable open-source customer relationship management application for managing contacts, organisations, opportunities, tasks and configurable records.
Open Source SoftwareDigital governmentCollaboration
Last update: 14/09/2026
OpenLDES
OpenLDES is an open-source reference implementation and tooling ecosystem for the Linked Data Event Streams (LDES) specification, letting public administrations publish, access and synchronise data as immutable event streams using linked-data principles.
SemanticsOpen Source SoftwareContent and knowledge management
LATEST NEWS
Last update: 21/09/2026
ITB v1.30.0 released
Release 1.30.0 of the Interoperability Test Bed software is now available.
ICTReusable Software Components+2 topics
Last update: 17/09/2026
Switzerland releases updated study and launches new programme
Switzerland’s open source study finds that open source solutions are “fundamentally viable for essential core functions”, paving the way for a new federal-level open source programme.
Open Source SoftwareDigital government
