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. We integrate a set of reference companies with proven experience in national and international projects.


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Get to know Open Source platforms that have contributed to the development of scientific research around COVID-19 in Portugal.

Estamos  ON logo

Within the scope of the "Estamos ON" initiative, some companies offer themselves to offer tools that contribute to implementing work remotely routines, during this critical period. Among the partners is an ESOP assossiate, IPBRICK S.A.


The Interoperability Unit of DIGIT D2-ISA2 (Directorate-General for Informatics), of the European Commission, provided a directory with digital responses related to the outbreak of COVID-19

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Creation of a European Open Source Software Association.
Several European associations that promote Open Source Software (OSS) have joined together to create a European free software professional association, APELL - Association Professionnelle Européenne du Logiciel Libre.

Being an ESOP member benefits from several advantages

Institutional Associates

National Institutional Associates
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Rua Soeiro Pereira Gomes,
Lote 1 – 4ºB
1600-196, Lisboa


Phone: +351 964 356 767



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