🐘 Mastodon instances overview

GitHub WARNING: This is a mirror repo from GitLab. Please, send your MRs there. New PRs here won't be merged.

This list may be useful for new users who wish to choose a server by theme.

💡 Sciences

• scicomm.xyz - for scientists and science enthusiasts
• qoto.org - for scholars in Science, Technology, Engineering, and Mathematics (STEM)
• scholar.social - for researchers, undergrads, journal editors, librarians, administrators

🎨 Humanities

• mastodon.cc - for art
• writing.exchange - community for poets, writers, bloggers
• bookwor.ms - for book-lovers
• imaginair.es - for writers, photographers, painters, cartoonists and people with imagination
• artalley.social - for artists and commissioners
• baraag.net - all types of art, uncensored 18+
• vis.social - for anyone into data, visualization, creative coding, related arts and research
• photographer.pro - for working professional photographers
• photog.social - place for your photos
• oulipo.social - a lipogrammatic server
• literatur.social - for German speaking authors and literary people
• mograph.social - for motion design community, VFX / 3D artists, animators and illustrators
• socel.net - for animation professionals and freelancers

🎓 Education

• tusk.schoollibraries.net - helping educators improve the School Libraries Resource Network
• openbiblio.social - German libraries and information facilities
• ausglam.space - Australian galleries, libraries, archives, museums and records people

🙏 Religion

• rcsocial.net - for Catholics and those interested in Catholicism
• theres.life - for Christians
• sangha.social - place for Buddhism in Fediverse, all schools of related thought welcome

Wiccan

• witches.live - for witches

🎵 Music

• metalhead.club - for metal friends
• linernotes.club - for discussing music recordings
• diymusic.space - for those who make music
• koreadon.com - for K-POP music fans
• vocalounge.cafe - dedicated to Vocaloid, UTAU, and other aspects of vocalsynth culture

🔭 Hobbies

• makestuff.club - for people that make stuff
• scramble.city - transformers, super robots, mecha and related subjects
• mhz.social - for radio amateurs, DXers and anyone interested to geek out about radio
• afu.social - for radio amateurs in German-speaking countries
• mastodon.radio - for Amateur (Ham) Radio community
• dice.camp - for tabletop gamers
• boardgames.social - for board gamers
• mastodon.beerfactory.org - for beermakers
• mastd.racing - dedicated to motosports
• ocr.social - for the global Obstacle Course Running (OCR) community
• mmorpg.social - for those who love MMOs
• kith.kitchen - food and cooking
• rollenspiel.social - (German) roleplay, Pen & Paper, tabletop, TCG, for all gamers
• wrestlr.social - for fans of wrestling

🎏 Language specific

• polyglot.city - for polyglots, multilinguals, interested in languages and translating
• esperanto.masto.host - for those interested in Esperanto
• tooot.im - main instance language is Hebrew
• toot.si - Slovenian (multilingual) instance
• mastodontti.fi - Finnish (public toots should be in Finnish)
• fikaverse.club - Swedish and other Scandinavian languages
• mastodon.sk - for Slovak users
• the.wired.sehol.se - for Hungarian speakers
• mastodon.uno - for Italian speakers
• mastodon.eus - for Euskera/Basque speakers

⛺ Regional

• muenchen.social - Munich, Germany
• mastodon.bayern - Bavaria, Germany
• toot.koeln - Koeln, Germany (generalistic)
• ruhr.social - Ruhr area, Germany
• social.saarland - Saarland, Germany
• dresden.network - Dresden, Germany
• machteburch.social - Magdeburg, Germany
• bonn.social - Bonn, Germany
• darmstadt.social - Darmstadt, Germany
• norden.social - Northern Germany
• oslo.town - Oslo, Norway
• snabelen.no - Norway
• mastodon.uy - Uruguay
• chilemasto.casa - Chile
• mastodon.scot - Scotland, or who identify as Scottish
• net.scot - Scotland (experimental social network with a Scottish twist)
• glasgow.social - Glasgow, Scotland
• toot.wales - Wales and the Welsh
• mastodon.me.uk - UK tech community
• rva.party - Richmond, USA
• triangletoot.party - the Triangle region of North Carolina, USA
• pdx.social - Portland, Oregon, USA
• socialclub.nyc - New York, USA
• mastodon.mg - Madagascar
• balkan.fedive.rs - the Balkans (generalistic)
• mastodon.fedi.quebec - Quebec, Canada
• mastodon.ml - Russia
• mastodos.com - Kyoto, Japan
• kopiti.am - Singapore
• mexicosocial.mx - Mexico
• mastodon.opencloud.lu - Luxembourgish / European private and public organisations
• bologna.one - Italy
• tamilsocial.org - India
• mastodon.madrid - Madrid, Spain
• mastodon.barcelona - Barcelona, Spain
• mstdn.es - Spain
• toot.brussels - Brussels, Belgium (?)
• amsterdon.nl - Amsterdam, Netherlands

🎬 Game / Book / Show theme

• tenforward.social - theme Star Trek
• kirakiratter.com - for Aikatsu fans
• donphan.social - for Pokémon enthusiasts
• cmdr.social - dedicated to Elite: Dangerous
• tabletop.social - for tabletop gamers

🐧 For techies

• infosec.exchange - infosec and IT security discussions
• mastodon.technology - for people interested in technology
• fosstodon.org - dedicated to Free and Open Source Software
• floss.social - for people who support or build Free Libre Open Source Software
• miaou.drycat.fr - for geeks, FOSS and cat lovers, CHATONS member
• linuxrocks.online - dedicated to Linux and technologies
• oldbytes.space - for old hardware fans
• mathstodon.xyz - for Maths people
• digipres.club - conversations about digital preservation
• ubuntu.social - Ubuntu community
• indieweb.social - for participants and supporters of the IndieWeb movement
• osrc.pw - for people interested in open-source software, free web
• fossium.space - Spanish community dedicated to privacy, security, FOSS

💻 Programming

• ruby.social - for people interested in Ruby, Rails and related topics
• phpc.social - PHP community
• pyyython.org - pythonic instance
• functional.cafe - for people interested in functional programming and languages
• social.csswg.org - for anyone interested in CSS or general web development

🎮 Gamedev

• mastodon.gamedev.place - gamedev and related professions
• gamemaking.social - amateur videogame making: game writers, game players welcome
• gameliberty.club - mainly gaming / nerd instance
• pcgamer.social - by PC gamer, for PC gamers

🔴 Political and social views

• todon.nl - for leftists, socialists, anarchists, Marxists, social democrats, social liberals
• hispagatos.space- for hackers, social anarchists, and anarchist hackers
• anarchism.space - for social anarchists
• sunbeam.city - libertarian Socialist and solarpunk community
• activism.openworlds.info - for activists
• campaign.openworlds.info - for campaigners and NGOs

🐰 Ecology and animals

• donteatanimals.org - discussion of animal rights and veganism
• toot.cat - instance for cats, the people who love them, and kindness in general

🐒 Family / Social relations

• dads.cool - anyone with a kid can be a dad
• cooler.mom - anyone with a kid can be a mom

🌈 Safe spaces

• tech.lgbt - for tech workers, academics, students, and others in tech who are LGBTQA+ allies
• eldritch.cafe - for queer, feminist and anarchist people
• deadinsi.de - anti-fascist, LGBT friendly
• colorid.es- LGBTQIA+ / queer instance primarily for Portuguese speakers
• pipou.academy - emphasis on kindness
• notbird.site

👽 Fandoms

• fandom.ink - for fans and fandoms of all types

👣 Subcultures

• this.mouse.rocks - furry instance for all the mouse adjacent folks who rock
• vulpine.club - community for foxes, friends, and other furry (and non-furry) creatures
• meow.social - general furry/safe-space instance
• snouts.online - general furry/safe-space instance

🌏 Notable generalistic

// small-to-medium sized instances that will be happy to have new users

• kindred.haus
• kafuka.me
• kernel.social
• libertalia.world - named after a legendary colony forged by pirates
• nerdculture.de
• weirder.earth - for thoughtful weirdos
• merveilles.town
• projectx.fun - will be open for up to 100 users, for sanity and sustainability
• nulled.red - refuses to block or silence any instances
• ieji.de - no logs, has Tor .onion address
• mstdn.fr - by sysadmins, with a goal to provide robust experience for tens of thousands of users

😸 For people with a sense of self-irony

• ephemeral.glitch.social - toots are ephemeral and disappear after a while
• botsin.space - for bots

🐚 Run by tech-savvy organizations

• en.osm.town - for the OpenStreetMap Community
• mastodon.hackerlab.fr - by Hackerlab
• mi.pede.rs - by Hacklab-in-Mama hackerspace, Zagreb
• social.weho.st - by WeHost, non-profit internet service provider, Amsterdam
• m.g3l.org - by G3L, libre software association
• mastodon.nzoss.nz - by New Zealand Open Source Society
• mamot.fr - by Quadrature du Net, association for the defence of digital rights and freedoms
• mastodon.roflcopter.fr - by Roflcopter, CHATONS member
• mastodon.zaclys.com - by Zaclys, association francophone
• libretooth.gr - by LibreOps, who contribute to (re-)decentralizing the net

🎉 Notable mention

// * open only to particular audience *

• mastodon.mit.edu - for the MIT community
• mastodon.ocf.berkeley.edu - for Berkeley students, faculty, and staff
• mastodon.acc.sunet.se - by Academic Computer Club at Umeå University, Sweden
• mastodon.utwente.nl - for the University of Twente community
• mastodon.iut-larochelle.fr - by University of La Rochelle (Closed Reg.)
• w3c.social - for people involved in the activities of the World Wide Web Consortium (Closed Reg.)
• mastodon.greenpeace.ch - by Greenpeace Switzerland (Closed Reg.)

Disclaimer

Following instances skipped: closed registration at the moment of checking, running old code, theme / description not understood due to language barrier or scarce description, long blocklists, experimental servers.

Add your own themed Mastodon instance by opening an issue or via MR. If your server already has many users, it will be nice of you to let other instances grow, for a healthier decentralization.

🌟 Other research links

• Friendica world overview
• Fediverse pirate representatives
• Mastodon server distribution research by Leah
• Fediverse server distribution by href