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Languages English (en)
Users 62,442
Active users (last month) 9,128
Active users (last six months) 14,447
Characters per post (max) 500
Known instances 61,976
First sight Before Oct 14, 2020 UTC [?]
Last successful check Jun 28, 2025 UTC
Noxious No
New No
Software Mastodon 4.3.8
Registrations Closed
Meta’s Threads moderation Unknown (this instance is not listed in the Anti-Meta Fedi Pact list), and its list of moderated instances is not accessible.
Most used hashtags (last week) FensterFreitag, WindowFriday, CampingLifeABookOrPlay, VendrediLecture, JukeboxFridayNight, BodyParts, BikeNite, FootpathFriday, ViernesDeEscritorio, BirthrightCitizenship
Short description
Fosstodon is an invite only Mastodon instance that is open to those who are interested in technology; particularly free & open source software.

If you wish to join, contact us for an invite.
Long description
Proudly powered by Fastly

We've teamed up with Fastly to provide both CDN and DDoS mitigation to our users, improving both performance and uptime.

Huge thanks to the team at Fastly for supporting Fosstodon.

Code of Conduct

The code of conduct at Fosstodon can be simply summarised as "don't be a jerk". However, if you need more detail as to what we consider unacceptable behaviour, please take a look at our code of conduct.

Support Fosstodon

If you enjoy your time on Fosstodon and want to support what we're doing here, you can do so in a number of ways. To find out how, use the link below:
https://hub.fosstodon.org/support-us

Fosstodon Hub

We have created a mini-site called the Fosstodon Hub. It contains useful information about Fosstodon in the form of a blog.
https://hub.fosstodon.org

Longevity and Fosstodon

One of the issues with a federated social network like Mastodon is users need to be sure their instance isn’t going to disappear overnight. This has happened a number of occasions we've seen, and we want to ease your mind in that regard should you choose Fosstodon.
Our Commitment to You
Instance rules
  1. Do not use slurs or racist, sexist, homophobic, transphobic, ableist or otherwise discriminatory or hateful jokes or language or promote white supremacy, anti-Semitism, transphobia or other hateful ideologies.
  2. Do not harass anyone, participate in group harassment of anyone, or otherwise engage in personal attacks. Posting or threatening to post other people’s personally identifying information (“doxing”) constitutes harassment.
  3. Do not be intentionally antagonistic. A post or reply designed to provoke a confrontation is not acceptable.
  4. Do not post adult content, including pictures containing nudity, or unwelcome sexual attention (including sexualized comments or jokes).
  5. Do not post spam. Toots that are nothing other than a link and/or contain an inordinate number of hashtags are spam, as does any overly commercial self-promotion. (It is fine to toot about your own projects and share what you are excited to be working on — just keep the toot itself interesting).
  6. Do not use automated tools to toot without participating in the community. It is fine to post with an automated tool so long as you are an active member of the Fosstodon community and respond to replies you receive here. Unmonitored accounts that post automatically are not acceptable.
  7. Do not “shitpost” - while humorous posts are allowed, and actually encouraged, there is no place for “shitposting” on Fosstodon.
  8. Do not post about inflammatory, controversial subjects without a Content Warning.
  9. Do not engage in name calling, ad hominem attacks, or any other uncivil behaviour; criticize ideas, never people.
  10. Do not tone police. Toots may violate the standards of civility we set on Fosstodon, but you should not criticize users for their tone. Report them or feel free to block them. In neither case should you criticize their tone.
Moderated instances [?]
Not available
Instances certainly moderating this instance [?]
  1. ailbhean.co-shaoghal.net: limitation
  2. arff.archandle.net: suspension
  3. artisan.chat: limitation
  4. awaymessage.club: suspension
  5. bdsm-jp.club: limitation
  6. biscuit.town: limitation
  7. breizh.social: suspension
  8. butts.team: suspension
  9. cathode.church: limitation
  10. ceilidh.online: suspension
  11. chilemasto.casa: suspension
  12. circumstances.run: limitation
  13. connectified.com: suspension
  14. corneill.es: limitation
  15. cutie.city: limitation
  16. deadinsi.de: limitation
  17. eldritch.cafe: suspension
  18. fandom.garden: limitation
  19. flipping.rocks: suspension
  20. freethought.online: limitation
  21. furry.community: suspension
  22. fv.technogothic.net: limitation
  23. glaceon.social: suspension
  24. glauca.space: suspension
  25. glitch-dev.pixie.town: suspension
  26. goblin.camp: suspension
  27. h-i.social: limitation
  28. icosahedron.website: suspension
  29. is.nota.live: limitation
  30. jubi.life: suspension
  31. koehlercode.dev: limitation
  32. krgr.social: suspension
  33. lacommu.net: limitation
  34. lgbt.io: suspension
  35. loud.computer: limitation
  36. m.noxie.ch: suspension
  37. masto.donte.com.br: suspension
  38. masto.nd2.uk: suspension
  39. mastodon.art: suspension
  40. mastodon.balamb.fr: limitation
  41. mastodon.koehlercode.dev: limitation
  42. mastodon.parleur.net: suspension
  43. mastodon.sandwich.net: limitation
  44. mastodon.slightlycyberpunk.com: suspension
  45. mastodon.yurialbuquerque.dev: suspension
  46. mastodonapp.uk: limitation
  47. metroholografix.ca: suspension
  48. miserables.net: limitation
  49. monads.online: suspension
  50. monsterfuckers.online: suspension
  51. mstdn.isometry.group: limitation
  52. myasstodon.xyz: suspension
  53. mytter.jp: suspension
  54. neopaquita.es: limitation
  55. neuropaganes.masto.host: suspension
  56. octodon.social: limitation
  57. oomfie.city: limitation
  58. pagan.plus: limitation
  59. pizza.enby.city: limitation
  60. plush.city: limitation
  61. polyglot.city: limitation
  62. rage.love: suspension
  63. religion.masto.host: limitation
  64. simcha.lgbt: suspension
  65. social.finkhaeuser.de: suspension
  66. social.mootech.eu: suspension
  67. social.pawsitiv.space: limitation
  68. social.zvavybir.eu: suspension
  69. solarpunk.moe: limitation
  70. spanner.works: suspension
  71. starlite.rodeo: limitation
  72. strangeobject.space: limitation
  73. toot.beep.computer: suspension
  74. toot.mrah.live: limitation
  75. tootworld.social: suspension
  76. universeodon.com: limitation
  77. wolfbunny.lgbt: suspension
  78. writeout.ink: limitation
  79. www.librepunk.club: limitation
  80. yazoocity.us: suspension
  81. zeal.center: limitation
Admin account Opted out of search engines indexing
Date of creation Not available
Display name Not available
Bio
Not available
Statistics
Last 12 weeks activity (totals: 186486 statuses, 81417 logins, 82 registrations)
S: 20401
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R: 6
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L: 2944
R: 0
Last checks (green: OK; red: KO)
6/21/25, 2:09:26 AM UTC6/22/25, 3:15:29 AM UTC6/23/25, 2:29:29 AM UTC6/24/25, 3:09:13 AM UTC6/25/25, 2:34:58 AM UTC6/26/25, 2:42:15 AM UTC6/27/25, 2:41:03 AM UTC6/28/25, 1:43:39 AM UTC
Succesful checks: 1036/1037 (99.9%)