The best Open Source accounts on Mastodon.
Open Source
Gina
@[email protected]Dutch gov OSPO | Open Source | GovTech | Digital Sovereignty | IT nerd | 🇪🇺🇳🇱
Advocate for open, ethical alternatives to big tech. Posting on a personal title.
One of Fosstodon's admins. Staff of Pookie and Wessie. She/her. 🏳️🌈&🏳️⚧️ ally. 🇺🇦🍉
Michał "rysiek" Woźniak · 🇺🇦
@[email protected]Hacker, activist, free-softie ◈ techie luddite ◈ formerly information security and infrastructure at https://isnic.is/ and https://occrp.org/ ◈ my opinions are my own etc.
(he/him)
⁂
profile image: drawing of a head and shoulders of a cat-person, in a space suit.
banner image: long-exposure photo of a large tent, brightly illuminated from inside, looking as if it is made of lava
#foss #libre #privacy #infosec #fedi22
(public toots CC By-SA 4.0 if applicable)
🇪🇺 🇵🇱 · 🇧🇦 🇮🇸 · 🇺🇦
Larvitz 
@[email protected]
IT Consultant from Germany | Nerd | Linux Advocate | Instance Admin of burningboard.net | Interested in
Linux, Open Source, Elektronics, Retro Gaming, Photography, Smart Home and Emulation.
Ancient Domains of Mystery (ADOM) is the greatest video game of all time for me !
#fedi22 #photography #linux #ansible #retrogaming #fedora #redhat #technology #opensource #adom #devops #cloud #kubernetes #freeipa #smarthome #cloud #vegan
informapirata ⁂ 
@[email protected]
Politica Pirata: 
informazione su #whistleblowing #dirittidigitali #sovranitàdigitale #copyright #privacy #cyberwarfare #pirati #Europa #opensource #opendata #PrivacyPride
https://t.me/ppInforma
⚠️ Sono uno dei moderatori di mastodon.uno, ma le opinioni che caratterizzano questo account sono espresse sempre a titolo personale ⚠️
Lorenzo Ancora 
@[email protected]
Open Source Advocate | Software Developer | Webmaster 🇪🇺🇮🇹
Friendly and enterprising geek committed to promoting user freedom and computer literacy. As a lifelong scholar and social activist, I specialize in Free/Libre and Open Source software development. A rational free thinker, I believe in personal growth through the power of knowledge and community.
Golden rule: respect → more respect.
#italian #foss #floss #opensource #linux #developer #fedi22 #programming #webmaster #sysadmin
Hylke Bons 🥜
@[email protected]product designer who codes.
I design and build software.
both how it looks, and how it works.
🌱 laid off in 2026 and looking for $1/month sponsors to help #FOSS projects with design: https://github.com/sponsors/hbons 🌱
been doing design in #OpenSource like #GNOME, #Pidgin, #Intel, #RedHat, #Xamarin, #VSCode and more for 2 decades.
enjoy creating #PixelArt #RetroGames for #GameBoy / #NES.
🍵 green tea lover
📷 lazy film photographer
🌌 #aurora chaser
Arne Brasseur
@[email protected]Nerd and digital creative — founder of Gaiwan.co — prolific open source author.
After many wanderings back in my native Belgium.
CTO for hire. Speaker available for gigs.
Joe Brockmeier
@[email protected]Longtime open-source user, advocate, and contributor. I’ve been working with and writing about Linux and open source since 1999. Now writing for LWN.net (@lwn). Become a subscriber here if you're not already! https://lwn.net/subscribe/
I post about Linux, free and open-source software (FOSS), music, cats, politics, writing, and anything else that comes to mind. Hates gen-AI slop.
"When a man loves cats, I am his friend and comrade, without further introduction." Mark Twain
Frank Karlitschek
@[email protected]Founder and CEO of Nextcloud, Co-founder and Vice Chair Eurostack, Board Member MariaDB Foundation, Founder of ownCloud, Free Software Developer, former KDE e.V. board member, Photographer
Andrew Nesbitt
@[email protected]Package Management Nerd, working on mapping the world of open source software https://ecosyste.ms and blogging about package managers at https://nesbitt.io
LinuxNews.de
@[email protected]Nachrichtenseite für Linux, Freie Software, und Open Source. News, Artikel und Meinung für Desktop und Enterprise.
root@linuxnews:~# rm -rf proprietary_software/ – weil Freiheit keine Dateierweiterung braucht.
Eric Schultz
@[email protected]FOSS and #DigitalAutonomy activist. Senior Software Engineer Software for Good. Engineering Lead CommitChange. Houdini Project Leader. Opinions are my own. Genderfluid. Cover photo from: https://t.co/7rVeNC
Opensourcewerken
@[email protected]Opensourcewerken is dé community voor Nederlandse opensource projecten. Via dit account vind je #liveblogs van IT-events, #blogs en #nieuws. Wees welkom! 🩷
FOSS Backstage
@[email protected]Community, Management, and Compliance – #FOSSBack is a two day conference dedicated to everything related to #FLOSS governance and open collaboration: open source project leadership, community management, project metrics, Open Source strategy for enterprise, #InnerSource/#OSPO, legal matters when dealing with #FOSS and many more. The next edition of FOSS Backstage will take place March 16-17, 2026.
Julian Fietkau
@[email protected]Human-computer interaction #HCI, computer science & programming, home server & self-hosting, games and other fun stuff.
Fediverse tool builder: @encyclia, @canary, FediRoster, Pinhole, ... see https://fietkau.software/tag/fediverse for more. I also help out with @fedidevs. If you do HCI-related research, check out https://directory.hci.social.
He/him. Posting mostly in English, but you might see the occasional German boost.
Heather Turner 
@[email protected]
Principal Research Software Engineer, University of Birmingham, UK | R Core | @R_Foundation board | #RSEng #RStats #RLadies
Andy Piper
@[email protected]communities person 💗💜💙
technologist & #PenPlotter artist.
I do things with code, & tinker with gadgets
all-in on open social web #Fediverse
one-third of a weekly #Podcast 🎧 @gamesatwork_biz
part of #Maker meetup 🛠️ @hackwimbledon
#3DPrinting #MicroPython #PlotterArt #LEGO #OpenSource #DoctorWho #fedi22
Steffen Voß
@[email protected]"Life is short. Be kind." • Organisiert den #WebMontag #Kiel • Ist #OpenSource Fan – speziell von #Linux, #Nextcloud & #WordPress • Diakonie Schleswig-Holstein • [he/him]
Open Source Business Alliance
@[email protected]Open Source Business Alliance - Bundesverband für digitale Souveränität e.V.
paul
@[email protected]back up at @amiserabilist
Avatar: penny farthing i am not a number
Header: plague island
What Orwell feared were those who would ban books.
What Huxley feared was that there would be no one who wanted to read one.
gen x
amab/cis/het standing with 🏳️⚧️ 🏳️🌈
he/him
probably on the spectrum.
if you think i am being rude to you, i am not.
it is a joke that i have not properly conveyed.
Koen de Jonge - SynQ
@[email protected]Hacker, IT Infrastructure, Open Storage, Open Source, ProcoliX Hosting, Open Internet Discourse Foundation, HackerHosting, Protagio, Fediversity #Privacy #Sustainability #Transparency Husband of Tessa, father of Emma, Huub and Lieke. Plays Viola, rides horses. Always busy, seldomly quiet.