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Eugen Rochko 1e83092e47
Update (#20630)
4 months ago
.circleci Revamp post filtering system (#18058) 9 months ago
.devcontainer Fix auto detect language for translate service (#19244) 6 months ago
.github helm: Add helm chart tests (#20394) 4 months ago
app Fix error when invalid domain name is submitted (#19474) 4 months ago
bin Update Mastodon to Rails 6.1 (#15910) 2 years ago
chart helm: Add helm chart tests (#20394) 4 months ago
config Add `Cache-Control` header to openstack-stored files (#20610) 4 months ago
db Fix featured tags not saving preferred casing (#19732) 5 months ago
dist Fix nginx location matching (#20198) 4 months ago
lib Fix error when passing unknown filter param in REST API (#20626) 4 months ago
log Initial commit 7 years ago
public Add assets from Twemoji 14.0 (#19733) 5 months ago
spec Fix error when invalid domain name is submitted (#19474) 4 months ago
streaming Fix public/local timeline posts not being properly filtered (#20567) 4 months ago
vendor Increase files checked by ESLint (#9705) 4 years ago
.browserslistrc Add ES6 compatibility to browserslist (#18519) 10 months ago
.buildpacks Remove nodejs buildpack from buildpacks (#14364) 3 years ago
.codeclimate.yml Replace from Code Climate to Super-Linter (#18587) 10 months ago
.deepsource.toml Update .deepsource.toml (#15753) 2 years ago
.dockerignore Update .dockerignore/.gitignore for #16947 etc (#17099) 1 year ago
.editorconfig Add final newline to locale files (#2890) 6 years ago
.env.production.sample ip_cleanup_scheduler: Make IP and session retention configurable (#18757) 9 months ago
.env.test Bump webpacker from 4.0.7 to 4.2.0 (#12416) 3 years ago
.env.vagrant Add a default DB_HOST to .env.vagrant for enable the streaming (#14030) 3 years ago
.eslintignore Increase files checked by ESLint (#9705) 4 years ago
.eslintrc.js Replace from Code Climate to Super-Linter (#18587) 10 months ago
.foreman Replace sprockets/browserify with Webpack (#2617) 6 years ago
.gitattributes Add .gitattributes file to avoid unwanted CRLF (#3954) 6 years ago
.gitignore Helm update (#20154) 4 months ago
.haml-lint.yml Added haml-lint and fix warnings (#2773) 6 years ago
.nanoignore Remove Storybook (#4397) 6 years ago
.nvmrc NodeJS 14 support - circleci/docker/.nvmrc (#16163) 2 years ago
.prettierignore Format JSON and YAML using Prettier (#17823) 1 year ago
.prettierrc.js Format JSON and YAML using Prettier (#17823) 1 year ago
.profile Add ffmpeg and dependent packages as well as LD_LIBRARY_PATHs (#3276) 6 years ago
.rspec Adding a Mention model, test stubs 7 years ago
.rubocop.yml Add customizable user roles (#18641) 9 months ago
.ruby-gemset Make Mastodon use its own gemset (#17858) 7 months ago
.ruby-version Bump Ruby version from 3.0.3 to 3.0.4 (#18028) 7 months ago
.slugignore Remove Storybook (#4397) 6 years ago
.yarnclean Replace from scss-lint to sass-lint (#10958) 4 years ago Update (#20630) 4 months ago
Aptfile Heroku fix (#19807) 5 months ago Support UTF-8 Characters in Domains During CSV Import (#20592) 4 months ago Add code of conduct from GitHub generator (#5674) 5 years ago Note that CircleCI auth may be required to run PR pipelines (#20371) 4 months ago
Capfile remove capistrano/faster_assets from Capfile (#2737) 6 years ago
Dockerfile Install python3 when building with Docker (#18072) 6 months ago Add (#17029) 1 year ago
Gemfile Clean up GitHub sourced gem entry (#20542) 4 months ago
Gemfile.lock Bump stackprof from 0.2.21 to 0.2.22 (#19367) 5 months ago
LICENSE Fix #49 - License changed from GPL-2.0 to AGPL-3.0 7 years ago
Procfile fix: make Procfile compatible with herokuish (#12685) 3 years ago Set RAILS_ENV in (#15502) 2 years ago Drop support for Ruby v2.5 and Node.js v12 (#18323) 9 months ago
Rakefile Initial commit 7 years ago Change e-mail in (#20384) 4 months ago
Vagrantfile Remove protobuf dependencies (#17539) 1 year ago
app.json Make enable_starttls configurable by envvars (#20321) 4 months ago
babel.config.js Remove dependency for @babel/plugin-proposal-class-properties (#16155) 2 years ago Fix rubocop issues, introduce usage of frozen literal to improve performance 6 years ago
crowdin.yml Prevent translations from accidentally becoming completely different from source strings on Crowdin without translators noticing. (#17085) 1 year ago
docker-compose.yml Update docker-compose.yml (#19063) 7 months ago
ide-helper.js Add JS IDE helper (#13012) 3 years ago
jest.config.js Bump jest from 27.5.1 to 28.0.3 (#18280) 11 months ago
jsconfig.json Replace `CancelToken` to `AbortSignal` (#19352) 5 months ago
package.json version emoji-mart (#19715) 5 months ago
postcss.config.js Increase files checked by ESLint (#9705) 4 years ago
priv-config TOR federation (#7875) 5 years ago
scalingo.json Make enable_starttls configurable by envvars (#20321) 4 months ago
stylelint.config.js Replace from Code Climate to Super-Linter (#18587) 10 months ago
yarn.lock version emoji-mart (#19715) 5 months ago


GitHub release Build Status Code Climate Crowdin Docker Pulls

Mastodon is a free, open-source social network server based on ActivityPub where users can follow friends and discover new ones. On Mastodon, users can publish anything they want: links, pictures, text, video. All Mastodon servers are interoperable as a federated network (users on one server can seamlessly communicate with users from another one, including non-Mastodon software that implements ActivityPub)!

Click below to learn more in a video:




No vendor lock-in: Fully interoperable with any conforming platform

It doesn't have to be Mastodon; whatever implements ActivityPub is part of the social network! Learn more

Real-time, chronological timeline updates

Updates of people you're following appear in real-time in the UI via WebSockets. There's a firehose view as well!

Media attachments like images and short videos

Upload and view images and WebM/MP4 videos attached to the updates. Videos with no audio track are treated like GIFs; normal videos loop continuously!

Safety and moderation tools

Mastodon includes private posts, locked accounts, phrase filtering, muting, blocking and all sorts of other features, along with a reporting and moderation system. Learn more

OAuth2 and a straightforward REST API

Mastodon acts as an OAuth2 provider, so 3rd party apps can use the REST and Streaming APIs. This results in a rich app ecosystem with a lot of choices!


Tech stack:

  • Ruby on Rails powers the REST API and other web pages
  • React.js and Redux are used for the dynamic parts of the interface
  • Node.js powers the streaming API


  • PostgreSQL 9.5+
  • Redis 4+
  • Ruby 2.6+
  • Node.js 14+

The repository includes deployment configurations for Docker and docker-compose as well as specific platforms like Heroku, Scalingo, and Nanobox. The standalone installation guide is available in the documentation.

A Vagrant configuration is included for development purposes. To use it, complete following steps:

  • Install Vagrant and Virtualbox
  • Install the vagrant-hostsupdater plugin: vagrant plugin install vagrant-hostsupdater
  • Run vagrant up
  • Run vagrant ssh -c "cd /vagrant && foreman start"
  • Open http://mastodon.local in your browser


Mastodon is free, open-source software licensed under AGPLv3.

You can open issues for bugs you've found or features you think are missing. You can also submit pull requests to this repository or submit translations using Crowdin. To get started, take a look at If your contributions are accepted into Mastodon, you can request to be paid through our OpenCollective.

IRC channel: #mastodon on


Copyright (C) 2016-2022 Eugen Rochko & other Mastodon contributors (see

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License along with this program. If not, see