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FEDIDEVS

The best Open Source humans on Mastodon.

Best Human opensource Open Source
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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

Last posted 1 day ago
Posts 2,205
Followers ▼ 99
Following 1,253
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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. 🇺🇦🍉

Last posted 1 day ago
Posts 14,204
Followers ▼ 49
Following 3,566
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Michał "rysiek" Woźniak · 🇺🇦
@[email protected]

Hacker, activist, free-softie ◈ techie luddite ◈ formerly information security and infrastructure at isnic.is/ and 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

(public toots CC By-SA 4.0 if applicable)

🇪🇺 🇵🇱 · 🇧🇦 🇮🇸 · 🇺🇦

Last posted Less than a day ago
Posts 53,336
Followers ▼ 30
Following 3,900
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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 !

Last posted 1 day ago
Posts 4,459
Followers ▼ 28
Following 438
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Daniel Appelquist
@[email protected]

Open Source Strategist at Samsung and general Open Web Curmudgeon.

Co-chair of the W3C @ab and ex-chair of W3C @tag; @openwebdocs co-founder; @openssf contributor; Gov UK Open Standards Board member.

Immigrant, UK/US Dual National; Film, MST3K, Science Fiction, Anime, HoYoverse fan; anti-fascist & card-carrying “tofu-eating wokerati.”

Banner art credit: Mr Doodle (photo by me).

He/Him.

Last posted 1 day ago
Posts 5,378
Followers ▼ 11
Following 2,007
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"Life is short. Be kind." • Organisiert den • Ist Fan – speziell von , & • Diakonie Schleswig-Holstein • [he/him]

Last posted Less than a day ago
Posts 31,287
Followers ▼ 9
Following 1,066
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I blog quite a bit, reader, gamer, foss enjoyer & contributor (barely).

I'm like the polar opposite of myself blobcatderpy

Mexican 🇲🇽, Mechatronics Engineer 🤖. Customization freak. 🎨

best handheld, and devices too! 🕹️

is my favorite game 🗡️
I solve a Rubik's cube in ~15 seconds⏳
I like too. Christian ✝️

alt account: @joel

Uses:
arch neovim androidalt casio

Last posted 1 day ago
Posts 7,769
Followers ▼ 8
Following 1,805
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sb arms & legs
@[email protected]
Last posted Less than a day ago
Posts 8,497
Followers ▼ 7
Following 1,245
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1L, Wikipedian, Debian Developer, MediaWiki core dev. Boba journalist, believer in free software and free knowledge. Professionally I work on SecureDrop.

Posts auto-delete after 1 year.

Last posted 1 day ago
Posts 587
Followers ▼ 7
Following 216
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Lorenzo Ancora verified
@[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.

Last posted 1 day ago
Posts 371
Followers ▼ 6
Following 2,438
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Kai Bojens 🇪🇺🖖
@[email protected]

Norddeutsch | Politikwissenschaft | Linux Sysadmin | Trekkie | Europäer | KDE | FOSS | OpenSUSE | Digitale Bürgerrechte | Japanisch Lernender | Kein Amt, kein Mandat, kandidiert für nichts | Stoiker |

Last posted 1 day ago
Posts 3,422
Followers ▼ 6
Following 760
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Lives in The Netherlands, EU. Works as self-employed tech consultant & software developer. Likes to tinker & has way too many interests :)

Likely to toot in NL/EN/DE on:
,

Toots vanish after 3 months

Last posted 1 day ago
Posts 336
Followers ▼ 6
Following 1,762
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Robert W. Gehl
@[email protected]

Ontario Research Chair of Digital Governance for Social Justice, York University.

My latest book, "Move Slowly and Build Bridges: Mastodon, the Fediverse, and the Struggle for Democratic Social Media" was published by Oxford University Press late 2025.

Been on the fediverse since 2017. I'm now helping run AoIR.social

he/him

Trans rights are human rights. I boost and posts. I also call for alt text for accessibility.

Last posted 1 day ago
Posts 6,601
Followers ▼ 5
Following 1,977
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Physiker, Hobby Fotograf, Linux und freie Software Enthusiast. Früher extremer Mapper. Freund des langsamen Pizzateigfermentierens. Pizzastahlfetischist. Sauerteig ist mein Tamagotchi.

Versuche mich an vielen OpenSource-Projekten zu beteiligen.

Gründer von veggiekarte.de

344 ppm

Last posted 1 day ago
Posts 299
Followers ▼ 5
Following 723
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I'm a software engineer by trade, an electronics hobbyist and amateur guitarist by night, and a house-rabbit enthusiast and ambassador all the time.

I live in the windswept prairies of Canada.

Last posted 1 day ago
Posts 26,270
Followers ▼ 5
Following 256
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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.






Last posted Less than a day ago
Posts 37,043
Followers ▼ 5
Following 5,726
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Roni Rolle Laukkarinen
@[email protected]

CTO @dude (a WordPress agency), admin of several servers like this one, programmer, *nix user, and advocate for an open and ethical Internet. Creator of Mastodon Bird UI. I work with servers, websites, and open source for a living. I'm safe. 🌈

Last posted Less than a day ago
Posts 38,272
Followers ▼ 5
Following 7,476
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Kevin P. Fleming
@[email protected]

Multi-decade open source project contributor, manager, and leader. Manager of Developer Experience Engineers at Fastly. Previously Principal Program Manager at Red Hat helping to deliver RHEL. Previously Head of Open Source Programs at Bloomberg

I write code, and publish code, and break code, and spend far too much time with Ansible and highly-overengineered home networking, and DNS, and GPS, and... it never ends.

Co-human to three cats along with my significant other.

Last posted 1 day ago
Posts 11,743
Followers ▼ 4
Following 468
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Free software (#FOSS) - vegan 🌱 - sustainability - - finance - environment - transparency - Linux - freedom - fairness - politics - NL - 🐷 - 🤍❤️🤍 - 💙💛 - 🍉

Last posted 1 day ago
Posts 13,128
Followers ▼ 4
Following 5,361
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He/Him. Retired Oracle DBA, Toad MVP, developer, husband, geek, no kids, open source contributor. McLaren & Mercedes F1 fan.

Huawei P20 phone with a Leica camera. I *try* to take at least 1 half decent photo every day.

In 2020, Apress published my 1st book, 'Arduino Software Internals'. My 2nd, 'Arduino Interrupts', was published in 2023. 'Arduino Assembly Language' is now with my publishers.

Moved back to Scotland from Yorkshire in November 2024.

@NormanDunbar has left Twitter, forever.

Last posted 1 day ago
Posts 6,432
Followers ▼ 4
Following 1,537
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Alan Langford 🇨🇦🧤🧊摏
@[email protected]

Canadian, occupying land resulting from bad faith deals with indigenous peoples, between Toronto and Ottawa. @ 314.8 PPM CO² . Privilege is transparent to the privileged.


Writing in progress: /#cyberpunk and more.

I'm aphantasic. I process abstractions. Abstract algebra is intuitive to me.

Last posted 1 day ago
Posts 11,989
Followers ▼ 4
Following 539