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fosstodon.org
Languages English (en)
Users 62,450
Active users (last month) 8,562
Active users (last six months) 13,668
Characters per post (max) 500
Known instances 63,163
First sight Before Oct 14, 2020 UTC [?]
Last successful check Aug 22, 2025 UTC
Noxious No
New No
Software Mastodon 4.4.3
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) EarlyMorningSongsOrPoems, ThrowbackThursday, MusiQuinta, SilkSong, RatonBardo, StrongVerbs, DiaDelBardo, DoorsDay, NordStream
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 disparage individuals or groups
  2. DO NOT use slurs
  3. DO NOT harass
  4. DO NOT knowingly post misleading information
  5. DO NOT participate in engagement that is intended to antagonize, inflame, or cause confrontation.
  6. DO NOT post adult or age-restricted content. This includes nudity and other sexualized or violent content.
  7. DO NOT post commercial promotions, or advertise
  8. DO NOT use automated tools to post without also monitoring and/or interacting from your account.
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. connectified.com: suspension
  13. corneill.es: limitation
  14. cutie.city: limitation
  15. deadinsi.de: limitation
  16. eldritch.cafe: suspension
  17. fandom.garden: limitation
  18. flipping.rocks: suspension
  19. freethought.online: limitation
  20. furry.community: suspension
  21. fv.technogothic.net: limitation
  22. glaceon.social: suspension
  23. glauca.space: suspension
  24. glitch-dev.pixie.town: suspension
  25. goblin.camp: suspension
  26. h-i.social: limitation
  27. icosahedron.website: suspension
  28. is.nota.live: limitation
  29. jubi.life: suspension
  30. koehlercode.dev: limitation
  31. krgr.social: limitation
  32. lacommu.net: limitation
  33. lgbt.io: suspension
  34. loud.computer: limitation
  35. m.noxie.ch: suspension
  36. masto.donte.com.br: suspension
  37. masto.nd2.uk: suspension
  38. mastodon.art: suspension
  39. mastodon.balamb.fr: limitation
  40. mastodon.koehlercode.dev: limitation
  41. mastodon.parleur.net: suspension
  42. mastodon.sandwich.net: limitation
  43. mastodon.slightlycyberpunk.com: suspension
  44. mastodon.yurialbuquerque.dev: suspension
  45. mastodonapp.uk: limitation
  46. metroholografix.ca: suspension
  47. miserables.net: limitation
  48. monads.online: suspension
  49. monsterfuckers.online: suspension
  50. mstdn.isometry.group: limitation
  51. myasstodon.xyz: suspension
  52. mytter.jp: suspension
  53. neopaquita.es: limitation
  54. neuropaganes.masto.host: suspension
  55. octodon.social: limitation
  56. oomfie.city: limitation
  57. pagan.plus: limitation
  58. pizza.enby.city: limitation
  59. plush.city: limitation
  60. polyglot.city: limitation
  61. rage.love: suspension
  62. religion.masto.host: limitation
  63. simcha.lgbt: suspension
  64. social.finkhaeuser.de: suspension
  65. social.mootech.eu: suspension
  66. social.pawsitiv.space: limitation
  67. social.zvavybir.eu: suspension
  68. solarpunk.moe: limitation
  69. spanner.works: suspension
  70. starlite.rodeo: limitation
  71. strangeobject.space: limitation
  72. toot.beep.computer: suspension
  73. toot.mrah.live: limitation
  74. universeodon.com: limitation
  75. wolfbunny.lgbt: suspension
  76. writeout.ink: limitation
  77. www.librepunk.club: limitation
  78. yazoocity.us: suspension
  79. 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: 154665 statuses, 76624 logins, 86 registrations)
S: 15418
L: 6945
R: 10		S: 14257
L: 6889
R: 11		S: 13849
L: 6809
R: 10		S: 14074
L: 6846
R: 9		S: 13860
L: 6728
R: 9		S: 13855
L: 6671
R: 6		S: 13537
L: 6637
R: 4		S: 13797
L: 6594
R: 6		S: 13384
L: 6657
R: 6		S: 13762
L: 6468
R: 3		S: 13339
L: 6497
R: 12		S: 1533
L: 2883
R: 0
Last checks (green: OK; red: KO)
8/15/25, 2:08:04 AM UTC8/16/25, 1:15:05 AM UTC8/17/25, 12:06:41 PM UTC8/18/25, 3:07:41 AM UTC8/19/25, 1:13:13 AM UTC8/20/25, 2:36:45 AM UTC8/21/25, 3:04:36 AM UTC8/22/25, 1:43:58 AM UTC
Succesful checks: 1091/1092 (99.91%)