🐘 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 - discussions for scientists and science enthusiasts
• qoto.org - for scholars in Science, Technology, Engineering, and Mathematics (STEM)

🎨 Humanities

• mastodon.art - for artists
• writing.exchange - community for poets, writers, bloggers
• bookwor.ms - for book-lovers
• wandering.shop - science fiction and fantasy community
• comicscamp.club - for creators and lovers of comics and narrative art
• imaginair.es - for writers, photographers, painters, cartoonists and people with imagination
• artalley.porn - for artists and commissioners
• baraag.net - freely share 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 to share gigs
• photog.social - place for your photos
• oulipo.social - a lipogrammatic server
• literatur.social - for German speaking authors and literary people
• photodon.org - discover amazing photographers and share your own photos

🎓 Education

• tusk.schoollibraries.net - helping educators improve the School Libraries Resource Network
• openbiblio.social - German libraries and information facilities

🙏 Religion

• rcsocial.net - for Catholics and those interested in Catholicism
• monastery.social - progressive, intentional, and contemplative Christian community
• theres.life - for Christians

🎵 Music

• metalhead.club - for metal friends
• koreadon.com - for K-POP music fans
• linernotes.club - for fans of recorded music
• diymusic.space - for those who make music

🔭 Hobbies

• cruisers.social - for sailors, cruisers, boat owners, and anyone exploring the world's coastlines
• 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 (and other) countries
• mastodon.radio - for Amateur (Ham) Radio community
• dice.camp - for tabletop gamers
• mastodon.beerfactory.org - for beermakers
• gymnastodon.com - for gymnastics fans
• motogp.space - for MotoGP and motorbikes fans
• mastd.racing - dedicated to motosports
• cartodon.com - to discuss anything related to cars, racing, and car care
• ocr.social - for the global Obstacle Course Running (OCR) community
• occult.camp - focused on spitituality, witchcraft and various shades of woo
• witchcraft.cafe - for witches
• witches.live - for witches
• mmorpg.social - for those who love MMOs
• walkers.social - for those who like walking, trekking, hiking, camping, climbing, and other outdoor adventuring
• kith.kitchen - centered around food, cooking
• about-bitcoin.com - anything related to bitcoin and other crypto-currencies
• rollenspiel.social - (German) roleplay, Pen & Paper, tabletop, TCG and much more, all gamers can settle here

🎏 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
• persadon.com - for Persian speaking folks
• 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

⛺ Regional

• muenchen.social - Munich, Germany
• mastodon.bayern - Bavaria, Germany
• mastodon.hamburg - Hamburg, 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
• snabelen.no - Norway
• mastodont.cat - Catalonia
• mastodon.uy - Uruguay
• 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
• southflorida.social - South Florida, USA
• kcmo.social - Kansas City area, USA
• mastodon.mg - Madagascar
• balkan.fedive.rs - the Balkans (generalistic)
• mastodon.fedi.quebec - Quebec, Canada
• kazvam.com - Bulgaria
• mastodon.ml - Russia
• mastodos.com - Kyoto, Japan
• kopiti.am - Singapore
• mexicosocial.mx - Mexico
• mastodon.opencloud.lu - Luxembourgish / European private and public organisations
• bagra.club - Macedonia

🎬 Game / Book / Show theme

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

🐧 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
• social.privacytools.io - focused on tech and privacy related topics
• calculate.social - Calculate Linux users community
• ubuntu.social - Ubuntu community
• indieweb.social - for participants and supporters of the IndieWeb movement

💻 Programming

• ruby.social - for people interested in Ruby, Rails and related topics
• phpc.social - PHP community
• 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
• elekk.xyz - by gamers, for gamers
• gamemaking.social - amateur videogame making: game writers, game players welcome
• mastodon.sergal.org - general trends toward tech, games, and everything fluffy
• social.noff.co - for tech, gaming, and good times
• 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

• onerescue.org - for animal lovers, and dedicated to helping rescue animals in need
• donteatanimals.org - discussion of animal rights and veganism
• toot.cat - instance for cats, the people who love them, and kindness in general
• waterfowl.social - for waterfowl lovers who keep ducks, geese, and other waterfowl as pets

🐒 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

• social.wxcafe.net - for social justice activists, LGBTQIA+ people
• tech.lgbt - for tech workers, academics, students, and others in tech who are LGBTQA+ allies
• biscuit.town - feminist movement and queer/lgbt+
• 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

• yarr.io - for pirates
• 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

🌏 Notable generalistic

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

• libertalia.world - named after a legendary colony forged by pirates
• nerdculture.de
• mastodon.earth
• weirder.earth - for thoughtful weirdos
• 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
• assortedflotsam.com - instance committed to truth in discourse
• mstdn.fr - by sysadmins, with a goal to provide robust experience for tens of thousands of users
• social.tchncs.de - one of the oldest instances

😸 For people with a sense of self-irony

• bibeogaem.zone - for silly people who like funny swearing
• ephemeral.glitch.social - toots are ephemeral and disappear after a while
• dolphin.town - instance where you can only say the letter 'e'
• botsin.space - for bots

🐚 Run by tech-savvy organizations

• en.osm.town - for the OpenStreetMap Community
• chaos.social - CCC related
• framapiaf.org - by Framasoft (Shutdown planned)
• 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
• social.buffalomesh.net - by Buffalomesh, mesh network in Buffalo, NY
• eunivers.social - by Eunivers online edition
• libretooth.gr - by LibreOps, who contribute to (re-)decentralizing the net
• digitalcourage.social - by DigitalCourage

🎉 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.iut-larochelle.fr - by University of La Rochelle
• mastodon.iut-larochelle.fr - by Redbrick, Dublin City University
• mastodon.utwente.nl - for the University of Twente community
• w3c.social - for people involved in the activities of the World Wide Web Consortium (W3C)
• mastodon.greenpeace.ch - by Greenpeace Switzerland
• fourthestate.social - international membership organization working to democratize news and journalism for the public benefit

❌ Closed registration / Invite only

• naos.crypto.church - powers of cryptography and cryptanalysis
• bsd.network - for *BSD users and devs
• mastodon.cc - for art
• masto.pt - for people speaking Portuguese
• ceilidh.space - Scottish Gaelic (?)
• ps.s10y.eu - like-minded people in Brussels, Belgium
• babelut.be - Belgium
• occitanie.social - Occitania
• masto.donte.com.br - Brazil
• mspsocial.net - Twin Cities of Minneapolis and St. Paul, Minnesota, USA
• anticapitalist.party
• lgbt.io - for LGBT+ and allies
• sleeping.town - for people who like to sleep
• dragon.style - for dragons, and people who like dragons
• equestria.social - for pony fans
• scholar.social - for researchers, undergrads, journal editors, librarians, administrators
• ausglam.space - for Australian galleries, libraries, archives, museums and records people

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