The most popular accounts on Mastodon.
SimpleX Chat
@[email protected]SimpleX: the first network where you own your identity, contacts, and groups. Secure / decentralized / open-source. Get the app: https://simplex.chat/downloads
Security assessments:
2022: https://simplex.chat/blog/20221108-simplex-chat-v4.2-security-audit-new-website.html
2024: https://simplex.chat/blog/20241014-simplex-network-v6-1-security-review-better-calls-user-experience.html
Jellyfin
@[email protected]The Free Software Media System. Available on GitHub. Sometimes referred to as Jeff. Not to be confused with Jif. Toots by @[email protected] (TZ America/Toronto). Replies may be slower during the day.
David Revoy
@[email protected]🍄 Webcomic Artist • Fantasy humor
🌱 Weekly comic strips (Wed) • Longer series brewing in background
🎨 Only use Free/Libre & Open Source tools • CC-licensed • No AI
Marcus Hutchins
@[email protected]
Cybersecurity
BrianKrebs
@[email protected]Independent investigative journalist. Covers cybercrime, security, privacy. Author of 'Spam Nation,' a NYT bestseller. Former Washington Post reporter, '95-'09. Signal: briankrebs.07
krebsonsecurity @ gmail .com
Linkedin: https://www.linkedin.com/in/bkrebs
nixCraft 🐧
@[email protected]Enjoy Linux & Unix-like systems, open-source software, and programming? Into Sysadmin & DevOps? Follow us to make the most of your IT career! Discover new tools, IT news, and apps daily, plus a dose of humor.
evacide
@[email protected]Director of Cybersecurity
@EFF
/ Co-founder of
@stopstalkerware
/ These are my opinions, not my employers’ / I did a TED talk once
Sarah Jamie Lewis
@[email protected]Cryptography and Privacy Researcher. President @ Open Privacy Research Society (@openprivacy).
Founder @ Blodeuwedd Labs (@blodeuweddlabs)
Building free and open source, privacy-enhancing, surveillance-resisting tech like Cwtch (@cwtch)
Kevin Beaumont
@[email protected]Cybersecurity weather person and award winning shitposter. Shitposting is an anagram of Top Insights. You may be surprised to know I am not representing my employer here and these are not their opinions.
I have Direct Messages disabled - you can send them, but I will never receive them.
European Commission
@[email protected]News and information from the European Commission. A project to foster our presence in the fediverse and support our commitment to European social media platforms based on open source technology. 🇪🇺 Official Mastodon account as verified by the official EU domain in our server’s address (https://europa.eu).
LibreOffice
@[email protected]Free, private, open source office suite by @tdforg and a worldwide community. LibreOffice was based on OpenOffice. #foss #opensource
Liam @ GamingOnLinux 🐧🎮
@[email protected]News + Opinions. One person mostly. Creator of many forms. Support on Patreon: http://patreon.com/gamingonlinux https://www.gamingonlinux.com (official account)
If you want me, email me: [email protected]
Simon Willison
@[email protected]Open source developer building tools to help journalists, archivists, librarians and others analyze, explore and publish their data. https://datasette.io and many other #projects.
F-Droid
@[email protected]F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform.
Mitchell Hashimoto
@[email protected]Working on a new terminal: Ghostty. 👻 Prev: founded
@HashiCorp. Created Vagrant, Terraform, Vault, and others. Vision Jet Pilot. 👨✈️
@robpike.io
@[email protected]Long career as a dilettante at Bell Labs Research and Google, mostly building weird stuff no one uses, but occasionally getting it right, such as with UTF-8 and Go.
Also: tootfinder
Nextcloud 📱☁️💻
@[email protected]A safe home for all your data, community-driven & open source!
https://nextcloud.com
Join us at https://help.nextcloud.com and https://github.com/nextcloud 😊
A worldwide technology community 🌍 Creators of the Plasma desktop & a variety of Free and open source applications that let you control your digital life.
Lesley Carhart
@[email protected]
I am eminently qualified to speak from experience about a variety of dumpster fires.
ICS cybersecurity person, @pancakescon organizer, martial artist, marksman, humanist, level 14 Neutral Good rogue, USAF retired. Speaker available for gigs.
Gin connoisseur. Rodent parent. Some dipshit from Chicago. Now an immigrant in Melbourne.
I post *very serious* things about infosec. Thoughts are entirely my own.
'they/them' 🏳️🌈

Greg Wilson
@[email protected]I program, write, and teach. Co-founder of Software Carpentry and It Will Never Work in Theory; co-editor of The Architecture of Open Source Applications.
Elena Rossini 🌈
@[email protected]Italian filmmaker, photographer and writer based in Paris, France who ❤️ #FOSS
🎬 Director of: The Illusionists documentary + a Fediverse promotional video (https://blog.elenarossini.com/fediverse-video/)
💌 #TheFutureIsFederated
📝 blog: @ele
👩💻 self-hosting aficionada: @elena
🏳️🌈🏳️⚧️ ally
Pronouns: she/her
Languages: English, French, Italian
Note: my posts are set to auto-delete* after 1 week ⏳
*unless I bookmark them