FOSDEM (Brussels, Belgium) is probably the best community driven FOSS event in Europe. It's massive, chaotic and fun.

  • 2005 (Meta-Wiki) — Keynote speech on the main track.
FOSDEM logo
  • /2013 — Individual talks.
  • /2014 — One talk on the main track, Organize "Wikis" devroom, Wikimedia stand, individual talks.
  • /2015 — Wikimedia stand, individual talks.
  • /2016 — Wikimedia stand, individual talks.
  • /2017 — individual talks.
  • /2018 — individual talks.
  • /2019
  • /2020 — Organize "Web Performance" devroom, individual talks.
  • 2021 — Organize "Web Performance" devroom.
  • 2022 — ?
  • /2023 — ?
  • /2024 — Organize "Web Performance" devroom.
  • /2025