FOSDEM

Free and Open source Software Developers' European Meeting
GenreSoftware engineering conference
VenueCampus Solbosch of the Université Libre de Bruxelles (ULB), Brussels
CountryBelgium
Inaugurated
  • 2000 (2000) (as OSDEM)
  • 2001 (2001) (as FOSDEM)
Previous event31 January - 1 February 2026
Websitefosdem.org

Free and Open source Software Developers' European Meeting (FOSDEM) is an annual software engineering conference. It is non-commercial and volunteer-organized with a focus on free and open-source software. Initiated in 2000, it is usually held during the first weekend of February, at the Campus Solbosch of the Université libre de Bruxelles (ULB) in the southeast of Brussels, Belgium.