ESOP is an organization that represents Portuguese companies that are dedicated to the development of software and which provide services based on Open Source technologies. ESOP defend and promotes activ

ESOP actively advocates and promotes the concepts of Open Software, Interoperability, Open Standards and Independence of Technology Platforms.

Our Mission

Ensure the provision of quality services associated with Open Source technologies;

Reinforce the image of Open Source products and services, and their advantages for companies and organizations in Portugal;

Create synergies between Portuguese companies, in order to foster innovation and the creation of competitive products and services, in the national and international market of information technologies.

Scope of Action

Platform to promote the Open Source sector in Portugal;

IT Communication channel in Portugal, through the production of online contents, legal opinions or positions;

Support companies and organizations in the evaluation of Open Source alternatives;

Organization of Awareness Sessions on Open Source software and publication of market studies.


Promotion of Open Source products and services;

Promotion of associate companies;

Promotion of interoperability and independence of platforms;

Clarification of the market and public opinion;

Collection and processing of statistical data on the IT market;

Promotion of synergies and internal communication between companies;

Support Research and Development projects.

Human Resources

The ESOP relies essentially on the work of its five Board Members, whose positions does not provide remuneration, and the Advisor of the Direction. You can consult our complete social bodies below.