Brussels / 31 January & 1 February 2026

schedule

H.2215 (Ferrer)


Day Start End Track(s)
Saturday 10:40 19:00 Social Web
Sunday 09:00 16:35 /dev/random
09 10 11 12 13 14 15 16 17 18
Saturday JSON Databases and Small ActivityPub Servers: A Perfect Combination
Democratise the Fediverse
Tending the Herd: Community at Mastodon
Amplify Our Voices: Building Digital Sovereignty on the Fediverse
Reaching out to the wider society: Why the open social web needs to matter to more people – and how we can achieve that goal
tags.pub - following hashtags globally
Increasing Long Term Stability of Relations Between Fediverse Identities using SSI
Unlocking development with ActivityPub Client to Server API
Federated Bookmark Sharing
Are digital rules a show stopper for the Fediverse?
The Social Web and Digital Sovereignty: Building Social Advocacy Networks in and for Europe.
Building a sustainable italian fediverse: overcoming technical, adoption and moderation challenges
How to level up the fediverse
Fediverse Integration into (EU) Public Administration - A Fantastic FediVariety Circus
ActivityPub at Scale: Institutional Entry Points into the Social Web
The needs of civil institutions for The Next Socials
A wild FASP appears! Integrating your app with Fediverse Auxiliary Service Providers
Decentralised Badges with BadgeFed: Implementing ActivityPub-based Credentials for Non Profits
Splinter - Split long articles into Mastodon threads
Bonfire: Building Modular, Consentful, and Federated Social Networks
Fedify: Building ActivityPub servers without the pain
Friendica - Hidden in plain sight since 2025
Fedi legacy
Mobilizon - share events on the fediverse
Emissary and the Fediverse
Sunday Why Open Source Looks Different in China: When Vendor Strategies, Policy Signals, and Market Pressure Converge
Four Year Bus
Okular: The Universal Document Viewer
SucréLA: open source usb 3.0 logic analyzer based on FPGA
graffito: pretty cellular automata devoid of meaning
PerlOnJava: A Perl Distribution for the JVM
Why I Volunteer at FOSDEM and You Should Too!
The v4 tape in the Unix history repo
Open Food Facts : Getting together to reduce health and environmental impacts of consumption
AtomVM: Elixir, Erlang, and Gleam on Microcontrollers
Physics in Julia: combining Unitful.jl with DifferentialEquations.jl
Trust the Math, Fear the Compiler: How Optimizations Undermine Cryptographic Software
os-test: Measuring POSIX compliance on every single OS
Securing time with NTS
Self-hosting a student radio society
Free Software, Computer Reuse, and Digital Product Passports: Experiences from eReuse.org
From Prototype to Production: Crowdfunding and Shipping the Modos Paper Dev Kit
git blame for your dependencies
Amber Lang - Easily write Bash with a transpiler
Youth Hacking 4 Freedom 2026 a programming competition for teenagers
Open sourcing democracy: using FLOSS and Access To Information to surface bugs in your government
Signed, Sealed, Stolen: How We Patched Critical Vulnerabilities Under Fire
FOSDEM infrastructure review

Events

Title Speakers Track Start End

Saturday

  JSON Databases and Small ActivityPub Servers: A Perfect Combination
Darius Kazemi Social Web 10:40 11:00
  Democratise the Fediverse
Matthias Pfefferle Social Web 11:00 11:30
  Tending the Herd: Community at Mastodon
Hannah Aubry Social Web 11:30 12:00
  Amplify Our Voices: Building Digital Sovereignty on the Fediverse
Benjamin Bellamy Social Web 12:00 12:30
  Reaching out to the wider society: Why the open social web needs to matter to more people – and how we can achieve that goal
Björn Staschen Social Web 12:30 13:00
  tags.pub - following hashtags globally
Evan Prodromou Social Web 13:00 13:10
  Increasing Long Term Stability of Relations Between Fediverse Identities using SSI
Paul Fuxjäger Social Web 13:10 13:20
  Unlocking development with ActivityPub Client to Server API
Django Doucet Social Web 13:20 13:30
  Federated Bookmark Sharing
Rafael Epplée Social Web 14:00 14:10
  Are digital rules a show stopper for the Fediverse?
Rebecca Sieber Social Web 14:10 14:30
  The Social Web and Digital Sovereignty: Building Social Advocacy Networks in and for Europe.
Sandra Barthel Social Web 14:30 14:40
  Building a sustainable italian fediverse: overcoming technical, adoption and moderation challenges
Fra - OpenForFuture, Filippo Della Bianca, Valentino Spataro Social Web 14:40 15:10
  How to level up the fediverse
Christine Lemmer-Webber, Jessica Tallon Social Web 15:10 15:40
  Fediverse Integration into (EU) Public Administration - A Fantastic FediVariety Circus
Peter Mechels [zzepposs], Victoria Neumann [vishnee] Social Web 15:40 16:00
  ActivityPub at Scale: Institutional Entry Points into the Social Web
Melanie Bartos Social Web 16:00 16:10
  The needs of civil institutions for The Next Socials
Pepijn Lemmens Social Web 16:10 16:20
  A wild FASP appears! Integrating your app with Fediverse Auxiliary Service Providers
James Smith Social Web 16:20 16:30
  Decentralised Badges with BadgeFed: Implementing ActivityPub-based Credentials for Non Profits
Maho Pacheco Social Web 16:30 16:50
  Splinter - Split long articles into Mastodon threads
Eyal Ron (Neiman) Social Web 16:50 17:00
  Bonfire: Building Modular, Consentful, and Federated Social Networks
Mayel de Borniol, ivan minutillo Social Web 17:20 17:40
  Fedify: Building ActivityPub servers without the pain
Hong Minhee Social Web 17:40 18:00
  Friendica - Hidden in plain sight since 2025
Tobias Diekershoff Social Web 18:00 18:10
  Fedi legacy
Ian Forrester, Samuel Margerison Social Web 18:10 18:20
  Mobilizon - share events on the fediverse
Stéphane, Alexandra Social Web 18:20 18:30
  Emissary and the Fediverse
Ben Pate Social Web 18:30 19:00

Sunday

  Why Open Source Looks Different in China: When Vendor Strategies, Policy Signals, and Market Pressure Converge
Richard Lin /dev/random 09:00 09:15
  Four Year Bus
Ruán /dev/random 09:20 09:35
  Okular: The Universal Document Viewer
Albert Astals Cid /dev/random 09:40 09:55
  SucréLA: open source usb 3.0 logic analyzer based on FPGA
Yann Sionneau /dev/random 10:00 10:15
  graffito: pretty cellular automata devoid of meaning
Niels G. W. Serup /dev/random 10:20 10:35
  PerlOnJava: A Perl Distribution for the JVM
Flavio Soibelmann Glock /dev/random 10:40 10:55
  Why I Volunteer at FOSDEM and You Should Too!
Imma Valls /dev/random 11:00 11:15
  The v4 tape in the Unix history repo
Diomidis Spinellis /dev/random 11:20 11:35
  Open Food Facts : Getting together to reduce health and environmental impacts of consumption
Pierre Slamich /dev/random 11:40 11:55
  AtomVM: Elixir, Erlang, and Gleam on Microcontrollers
Davide Bettio /dev/random 12:00 12:15
  Physics in Julia: combining Unitful.jl with DifferentialEquations.jl
Daria Klimaszewska /dev/random 12:20 12:35
  Trust the Math, Fear the Compiler: How Optimizations Undermine Cryptographic Software
René Meusel /dev/random 12:40 12:55
  os-test: Measuring POSIX compliance on every single OS
Jonas 'Sortie' Termansen /dev/random 13:00 13:15
  Securing time with NTS
Ruben Nijveld /dev/random 13:20 13:35
  Self-hosting a student radio society
Ari Carmody /dev/random 13:40 13:55
  Free Software, Computer Reuse, and Digital Product Passports: Experiences from eReuse.org
Felix Freitag, Leandro, Pedro Vílchez-Blanco /dev/random 14:00 14:15
  From Prototype to Production: Crowdfunding and Shipping the Modos Paper Dev Kit
Alexander Soto /dev/random 14:20 14:35
  git blame for your dependencies
Andrew Nesbitt /dev/random 14:40 14:55
  Amber Lang - Easily write Bash with a transpiler
Daniele Scasciafratte /dev/random 15:00 15:15
  Youth Hacking 4 Freedom 2026 a programming competition for teenagers
Bonnie Mehring, Sofía Aritz /dev/random 15:20 15:35
  Open sourcing democracy: using FLOSS and Access To Information to surface bugs in your government
Laurents /dev/random 15:40 15:55
  Signed, Sealed, Stolen: How We Patched Critical Vulnerabilities Under Fire
Jade, nex /dev/random 16:00 16:15
  FOSDEM infrastructure review
FOSDEM Staff, Richard "RichiH" Hartmann, Sebastian Schubert /dev/random 16:20 16:35