🐘 Mastodon instances overview

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+
• social.nasqueron.org - for creative people, writers, developers and thinkers
• 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
• linernotes.club - for fans of recorded music
• oulipo.social - a lipogrammatic server
• www.bookbeezhive.com - for authors and their readers
• literatur.social - for German speaking authors and literary people

🎓 Education

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

💼 Law

• legal.social - instance for legal debate

🙏 Religion

• rcsocial.net - for Catholics and those interested in Catholicism
• monastery.social - progressive, intentional, and contemplative Christian community
• ganesha.masto.host - Dharma community (Buddhism, Yoga, Advaita, Hinduism, Tantra, Tao)

🎵 Music

• metalhead.club - for metal friends
• koreadon.com - for K-POP music fans

🔭 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
• travel-friends.chat - for people who like to travel
• worldtravel.photos - social space for travel
• 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

🎏 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
• mstdn.su - for Russian speaking users
• 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
• muensterland.social - Münsterland, Germany
• mastodon.se - Sweden
• 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
• txsocial.club - Texas, USA
• southflorida.social - South Florida, USA
• polska.masto.host - Poland
• mastodon.mg - Madagascar
• balkan.fedive.rs - the Balkans (generalistic)
• mastodon.fedi.quebec - Quebec, Canada
• mastodon.uno - Italy
• kazvam.com - Bulgaria
• mastodonsocial.ru - Russia
• mastodos.com - Kyoto, Japan
• kopiti.am - Singapore
• mexicosocial.mx - Mexico
• mastodon.opencloud.lu - Luxembourgish / European private and public organisations
• mastodon.uno - Italy

🎬 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

🐚 Run by tech-savvy organizations

• en.osm.town - for the OpenStreetMap Community
• fr.osm.social - for francophone OpenStreetMap Community
• chaos.social - CCC related
• framapiaf.org - by Framasoft
• mastodon.dotopia.dk - by DO:TOPIA, Denmark based tech activism collective
• 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

🐧 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

💻 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
• unityjp-mastodon.tokyo - Unity Japan
• 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

🌈 Safe spaces

• queer.party - for queer folk and non-queer folk alike
• 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
• monsterpit.net - for monsters, strange creatures, and those who love them
• canislupus.im
• vulpine.club - community for foxes, friends, and other furry (and non-furry) creatures

👣 Subcultures

• this.mouse.rocks - furry instance for all the mouse adjacent folks who rock

🌏 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

🎉 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
• bne.social - Queensland, Australia
• 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