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We are excited to announce a devroom on Declarative and Minimalistic Computing at FOSDEM on 5th and 6th of February, 2022, online!

FOSDEM is one of the most important free software conferences and is hosted annually at Université libre de Bruxelles in Brussels, Belgium. Unfortunately again this year FOSDEM will not run a physical conference but will be online only. Talks will be pre-recorded with some live content including Q&A sessions and discussion panels.

We accept talks from languages that attempt to minimize use of hardware and software while trying to make systems simpler, more robust and more secure. If you are working on improving today's systems taking declarative/minimalistic approaches feel free to submit a talk proposal. Examples include the Scheme/Lisp family of programmings languages. In past editions, this devroom has received presentations from a varied number of language communities, including Forth, Guile, Lua, Nim, Racket, Raku and Tcl as well as several experimental projects that push minimalism in new directions.

Minimalism and declarative programming are two important topics for this devroom. Minimalism matters. Minimalism allows for smaller systems that take less resources and consume less energy. More importantly, free and open source minimalism allows for secure systems that are easy to understand. Declarative programming is a programming paradigm that expresses the logic of a computation without describing its control flow. Many languages that apply this style attempt to minimize or eliminate side effects by describing what the program must accomplish in terms of the problem domain, rather than describe how to accomplish it as a sequence of the programming language primitives.

Finally, in this year's virtual conference we will honor the late Professor John McCarthy as the founder of AI and the inventor of LISP. McCarthy with his work pioneered artificial intelligence, developed the Lisp programming language family and kickstarted our modern computing world.

We want to invite you to submit a talk on declarative and minimalistic computing that fits that description. We are especially happy to receive talk submissions from members of groups underrepresented in free software.

If you have something you’d like to share with your fellow developers, please E-mail us! Talks considered for the devroom will have to be entered in


The deadline for submission is December 20th. If you have a FOSDEM pentabarf account from a previous year, please use that account. Otherwise add one on Reach out to or if you run into any trouble.

When submitting your talk make doubly sure to select "Declarative and Minimalistic Computing devroom" as track (if you don't we won't find it), and include the following information:

 * The title and subtitle of your talk
 * A short abstract of one paragraph
 * A longer description if you wish to do so
 * Links to related websites/blogs etc
 * Presentations has to be pre-recorded and streamed before the event.
 * Start recording early!

To see what a final talk looks like see

For accepted talks

 * Once your talk was accepted, we will assign you an organizer to help you to produce the pre-recorded content.
 * The organizer will review the content and ensure it has the required quality. He is also responsible for ensuring the content is into the system and ready to broadcast.
 * During the stream of your talk, you must be available online for the Q/A session

Let's make this a fun day!


Pjotr Prins, Manolis Ragkousis, Ludovic Courtès, Amirouche Boubekki, Hisham Muhammad, Jan Nieuwenhuizen, Ricardo Wurmus, Alex Sassmannshausen, William Byrd, Oliver Propst, Efraim Flashner, Julien Lepiller

Code of conduct


Original proposal


Important dates:

 - Dec 20th 2021:  submission deadline for talk proposals
 - Dec 31th 2021:  announcement of the final schedule
 - Jan 14th 2021:  submission deadline for recordings
 - Feb  5th 2022:  FOSDEM!