OSOR is a place where the Free and Open Source software community can come together to publish news, find out about events, find relevant open source software solutions and read about the use of Free and Open Source in public administrations across and beyond Europe. 

OSOR is a trustworthy observatory that provides FOSS expertise and information as well as serves as middle-ground to connect European Public Administrations with other relevant stakeholders. To reach this objective, OSOR promotes the use of Free and Open Source software and supports the community.

Knowledge Centre

The Knowledge Centre gives you access to key information published by the Open Source Observatory as well as external resources to learn more about the development of OSS.

OSPOs and OSS Governance

The Open Source Program Office (OSPO) model of governance is used to manage use of, and contribution to, OSS projects.

Cities and Regions

A comprehensive guide for cities considering or already using open source solutions, providing valuable insights, testimonies, and lessons from local administrations.

Resource Map

In this interactive map, you will find country-related OSS information and resources.

Newsletters

The OSOR newsletters keep you updated with the latest news, studies, software and upcoming events on the topics of open source software.

OSOR Events

OSOR and community events on Open Source software development and European policies.