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Matt Baer 16f6e3e351 Merge branch 'master' of 3 år sedan
.circleci Fix Gemfile.lock (#12995) 3 år sedan
.dependabot Change dependabot update schedule from live to weekly (#10949) 4 år sedan
.github Add config for issue template (#12306) 4 år sedan
app Merge branch 'master' of 3 år sedan
bin Bump webpacker from 3.5.5 to 4.0.2 (#10277) 4 år sedan
config Merge branch 'master' of 3 år sedan
db Fix interactive delays in database migrations with no TTY (#12969) 3 år sedan
dist Add TLS v1.3 support (#11603) 4 år sedan
lib Fix installation failing when Redis password contains special characters (#13156) 3 år sedan
log Initial commit 7 år sedan
nanobox Resync Nanobox files with the 2.9.0 release (#11083) 4 år sedan
public Merge branch 'master' of 3 år sedan
spec Fix leak of arbitrary statuses through unfavourite action in REST API (#13161) 3 år sedan
streaming minor server-sent events fixes (#12945) 3 år sedan
vendor Increase files checked by ESLint (#9705) 4 år sedan
.buildpacks Add ffmpeg buildpack for scalingo (#8500) 5 år sedan
.codeclimate.yml Update ESLint and RuboCop in Code Climate (#12534) 4 år sedan
.dockerignore Add .bundle to .dockerignore (#7895) 5 år sedan
.editorconfig Add final newline to locale files (#2890) 6 år sedan
.env.nanobox Fix sample SAML_ACS_URL, SAML_ISSUER (#12669) 3 år sedan
.env.production.sample Document AUTHORIZED_FETCH mode and WHITELIST_MODE (#12856) 3 år sedan
.env.test Bump webpacker from 4.0.7 to 4.2.0 (#12416) 4 år sedan
.env.vagrant fix vagrant connection error (#12180) 4 år sedan
.eslintignore Increase files checked by ESLint (#9705) 4 år sedan
.eslintrc.js Refactor icons in web UI to use Icon component (#9951) 4 år sedan
.foreman Replace sprockets/browserify with Webpack (#2617) 6 år sedan
.gitattributes Add .gitattributes file to avoid unwanted CRLF (#3954) 6 år sedan
.gitignore Use eslint cache (#12668) 3 år sedan
.haml-lint.yml Added haml-lint and fix warnings (#2773) 6 år sedan
.nanoignore Remove Storybook (#4397) 6 år sedan
.nvmrc Upgrade .nvmrc to Node.js 12 (#12906) 3 år sedan
.profile Add ffmpeg and dependent packages as well as LD_LIBRARY_PATHs (#3276) 6 år sedan
.rspec Adding a Mention model, test stubs 7 år sedan
.rubocop.yml Update ESLint and RuboCop in Code Climate (#12534) 4 år sedan
.ruby-version Use Ruby 2.6.5 (#12049) 4 år sedan
.sass-lint.yml Fix sass-lint config (#10982) 4 år sedan
.slugignore Remove Storybook (#4397) 6 år sedan
.yarnclean Replace from scss-lint to sass-lint (#10958) 4 år sedan Update (#12096) 4 år sedan
Aptfile Adjust Aptfile for Heroku-18 stack (#8588) 5 år sedan Bump version to 3.1.2 (#13162) 3 år sedan Add code of conduct from GitHub generator (#5674) 6 år sedan Edit (#12401) 4 år sedan
Capfile remove capistrano/faster_assets from Capfile (#2737) 6 år sedan
Dockerfile Fix non-x64 architectures not being able to build Docker image because of hardcoded Node.js architecture (#13081) 3 år sedan
Gemfile Bump rack from 2.1.2 to 2.2.2 (#13108) 3 år sedan
Gemfile.lock Fix elasticsearch-api and faraday incompatibilities (#13166) 3 år sedan
LICENSE Fix #49 - License changed from GPL-2.0 to AGPL-3.0 7 år sedan
Procfile Bind servers to in Procfile (#11378) 4 år sedan Fix Procfile on OS X (#6748) 5 år sedan 2019 -> 2020 (#12867) 3 år sedan
Rakefile Initial commit 7 år sedan
Vagrantfile Fix Node version in Vagrant (#13008) 3 år sedan
app.json Remove deprecated config from Heroku and Scalingo (#11925) 4 år sedan
babel.config.js Remove unnecessary dependencies (#12533) 4 år sedan
boxfile.yml Correct the Nanobox deploy hooks for order and context (#12663) 3 år sedan Fix rubocop issues, introduce usage of frozen literal to improve performance 7 år sedan
crowdin.yml Update Crowdin configuration file 4 år sedan
docker-compose.yml Merge branch 'master' of 3 år sedan
package.json Bump react-redux from 7.1.3 to 7.2.0 (#13141) 3 år sedan
postcss.config.js Increase files checked by ESLint (#9705) 4 år sedan
priv-config TOR federation (#7875) 5 år sedan
scalingo.json Remove deprecated config from Heroku and Scalingo (#11925) 4 år sedan
yarn.lock Bump react-redux from 7.1.3 to 7.2.0 (#13141) 3 år sedan


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

See the 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 are looped - like vines!

Safety and moderation tools

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, resulting 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
  • Ruby 2.4+
  • Node.js 10.13+

The repository includes deployment configurations for Docker and docker-compose, but also a few specific platforms like Heroku, Scalingo, and Nanobox. The stand-alone installation guide is available in the documentation.

A Vagrant configuration is included for development purposes.


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 Weblate. 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) 2016-2020 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