The most popular accounts on Mastodon.
The Tor Project
@[email protected]We advance human rights and defend your privacy online through free software and open networks.
Have I Been Pwned
@[email protected]Check if you have an email address or password that has been compromised in a data breach. Created and maintained by @troyhunt
/e/OS - deGoogled mobile OS
@[email protected]We build desirable, open source, privacy-enabled smartphone operating systems. We are /e/OS
Visit us at https://e.foundation/
Support:
- Forum: https://community.e.foundation/
- Murena Help Desk: https://murena.com/contact-us/
Linux ✅
@[email protected]Linux: a free computer operating system family.
Linux was created by a Finnish student, Linus Torvalds, stating in a typically humble manner of Finns that it "won't be anything big and professional".
Replacing for example Windows with Linux means user freedom.
The best Linux? - The best one is "YOUnux" 🙂 test & find your own.
Popular #Linux OS': Linux Mint / Ubuntu / Pop!_OS / Fedora Linux / Solus / elementary OS..
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.
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)
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).
Danielle Foré
@[email protected]Founder at @elementary. Inclusive designer. Open Source developer. Raging feminist. Anime nerd. AuDHD Anxiety girly ⚢🌻
Alt text: avatar is of a white-presenting woman with dark maroon lipstick, winged eyeliner, and wavy hair dyed in blonde, light red, and dark brown chunks. She’s wearing a dark brown moto jacket and a mesh top with a black bralette. Banner shows an autumn scene from Midtown Sacramento California where trees line the streets
amos
@[email protected]hi, I'm amos! 🍃 they/them 🫐 open-source witch & maker of snappy videos and articles at https://bearcove.eu ✨ be kind, be curious
Matthias Eberl
@[email protected]Journalist, Educator, Researcher #privacy #security #multimedia Freelancer e.g. SZ, Netzpolitik, Kuketz-Blog.
🏆 Deutscher Reporterpreis
Account is #searchable.
DEF CON
@[email protected]DEF CON is the world's most influential hacker conference. Held every year since 1993 in Las Vegas, Nevada, DEF CON is the hub of a global community of hackers, security geeks and curious technophiles.
Open Source Italia
@[email protected]🚀 Dal 2019 siamo Il primo e il più seguito account italiano sull’Open Source e gestori di https://forgejo.it
Novità, approfondimenti su #OpenSource 🖥️ e #FreeSoftware 🐧
Seguiteci anche nel gruppo @opensource
Qui la mappa dei migliori account open source italiani da seguire: https://fedidevs.com/s/NzU2/
Istanza italiana di forgejo, progetti Open Source Italiani: https://forgejo.it
gruppo telegram: https://t.me/+bJOYNC7G8S44Zjdk
The Calyx Institute
@[email protected]Our mission is to educate the public about privacy in digital communications and to develop tools that anyone can use. By embracing "privacy by design," we help make digital security and privacy more accessible to everyone. Help support our nonprofit mission-- become a member and get a hotspot with unlimited wifi or a phone with CalyxOS! https://members.calyxinstitute.org/enroll/membership
F-Droid
@[email protected]F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform.
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.
Bellingcat
@[email protected]Bellingcat is an independent investigative collective of researchers, investigators, and citizen journalists brought together by a passion for open source research.
Want to support our charity? http://bellingcat.com/donate/
Buy our book "We Are Bellingcat" here: http://bit.ly/2EP09EN
Our award-winning podcast series: http://apple.co/36LJURI
Milan
@[email protected]Autodidactic sysadmin (which kinda escalated of the recent years) and sometimes the guy with a camera.
I run #tchncs
among other things.
👣🚴📷

If I don't answer, it is most likely nothing personal but poor time and task management –> please ask again.
nostr: npub1wmw8v9keq93mfd25qtx04hm8wk5yqvvcuhzluxw5vjkjnf2egkrqrqup8w
FediLUG Italia
@[email protected]
🐧dal 2019 il primo account italiano dedicato a Linux su mastodon
Dal 2025 siamo il linux User Group ufficiale del fediverso: https://fedilug.it
Seguici nel nostro gruppo di discussione https://mastodon.uno/@[email protected]
👉 Account linux su mastodon: https://fedidevs.com/s/NzQ4/
👉 Produttori PC linux su mastodon
https://fedidevs.com/s/OTQ0/
👉 Gruppo PC Lnux & HW https://mastodon.uno/@computer@diggita.com
FedilLUG Logo CC BY-NC 4.0 https://fedilug.y-zu.org/about
Khrys
@[email protected]Libroféministe
Doctor ès boules de glu
Apôtre en maths
Commet un Khrys'presso tous les lundis matins à 7h42 sur le Framablog
Genre : bizarre
Qualificatif : sacro-saint·e
En trottinette (non électrique)
Mute plus vite que son ombre
#FDN
#FFDN
#Gitoyen
#Globenet
#Parinux
Anti-autoritaires
Persona non grata de l'#April
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 newbie: @elena
🏳️🌈🏳️⚧️ ally
Pronouns: she/her
Languages: English, French, Italian
Note: my posts are set to auto-delete* after 2 weeks ⏳
*unless I bookmark them
Brent Simmons
@[email protected]Writes NetNewsWire, a free and open source RSS reader for Mac and iOS.
He/him.