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Aries 44f88a334b Fix sample SAML_ACS_URL, SAML_ISSUER (#12669) 5 months ago
.circleci Add missing locale file for ga and add rake task to check for it (#11813) 8 months ago
.dependabot Change dependabot update schedule from live to weekly (#10949) 11 months ago
.github Add config for issue template (#12306) 6 months ago
app Use different strings on exports page (#12569) 5 months ago
bin Bump webpacker from 3.5.5 to 4.0.2 (#10277) 1 year ago
config Use different strings on exports page (#12569) 5 months ago
db Fix unsafe column type change in migration (#12653) 5 months ago
dist Add TLS v1.3 support (#11603) 8 months ago
lib Changes to tootctl statuses remove (#11267) 5 months ago
log Initial commit 4 years ago
nanobox Resync Nanobox files with the 2.9.0 release (#11083) 11 months ago
public Updated Twemoji to 12.1.3 (#12342) 6 months ago
spec Fix typo in login feature-test. (#12651) 5 months ago
streaming Add whitelist mode (#11291) 10 months ago
vendor Increase files checked by ESLint (#9705) 1 year ago
.buildpacks Add ffmpeg buildpack for scalingo (#8500) 1 year ago
.codeclimate.yml Update ESLint and RuboCop in Code Climate (#12534) 5 months ago
.dockerignore Add .bundle to .dockerignore (#7895) 1 year ago
.editorconfig Add final newline to locale files (#2890) 3 years ago
.env.nanobox Fix sample SAML_ACS_URL, SAML_ISSUER (#12669) 5 months ago
.env.production.sample Fix sample SAML_ACS_URL, SAML_ISSUER (#12669) 5 months ago
.env.test Bump webpacker from 4.0.7 to 4.2.0 (#12416) 6 months ago
.env.vagrant fix vagrant connection error (#12180) 7 months ago
.eslintignore Increase files checked by ESLint (#9705) 1 year ago
.eslintrc.js Refactor icons in web UI to use Icon component (#9951) 1 year ago
.foreman Replace sprockets/browserify with Webpack (#2617) 3 years ago
.gitattributes Add .gitattributes file to avoid unwanted CRLF (#3954) 2 years ago
.gitignore Use eslint cache (#12668) 5 months ago
.haml-lint.yml Added haml-lint and fix warnings (#2773) 3 years ago
.nanoignore Remove Storybook (#4397) 2 years ago
.nvmrc Upgrade Node.js to v8.x on nvmrc (#8023) 1 year ago
.profile Add ffmpeg and dependent packages as well as LD_LIBRARY_PATHs (#3276) 3 years ago
.rspec Adding a Mention model, test stubs 4 years ago
.rubocop.yml Update ESLint and RuboCop in Code Climate (#12534) 5 months ago
.ruby-version Use Ruby 2.6.5 (#12049) 7 months ago
.sass-lint.yml Fix sass-lint config (#10982) 11 months ago
.slugignore Remove Storybook (#4397) 2 years ago
.yarnclean Replace from scss-lint to sass-lint (#10958) 11 months ago
AUTHORS.md Update AUTHORS.md (#12096) 7 months ago
Aptfile Adjust Aptfile for Heroku-18 stack (#8588) 1 year ago
CHANGELOG.md Update changelog for 3.0.1 (#12139) 7 months ago
CODE_OF_CONDUCT.md Add code of conduct from GitHub generator (#5674) 2 years ago
CONTRIBUTING.md Edit CONTRIBUTING.md (#12401) 6 months ago
Capfile remove capistrano/faster_assets from Capfile (#2737) 3 years ago
Dockerfile Updated NodeJS in Dockerfile (#12492) 5 months ago
Gemfile Bump rails from 5.2.3 to 5.2.4 (#12584) 5 months ago
Gemfile.lock [Security] Bump rack from 2.0.7 to 2.0.8 (#12654) 5 months ago
LICENSE Fix #49 - License changed from GPL-2.0 to AGPL-3.0 3 years ago
Procfile Bind servers to in Procfile (#11378) 10 months ago
Procfile.dev Fix Procfile on OS X (#6748) 2 years ago
README.md Update link to install docs (#12666) 5 months ago
Rakefile Initial commit 4 years ago
Vagrantfile Add clearer error when/if gpg fails to install (#10228) 1 year ago
app.json Remove deprecated config from Heroku and Scalingo (#11925) 8 months ago
babel.config.js Remove unnecessary dependencies (#12533) 5 months ago
boxfile.yml Correct the Nanobox deploy hooks for order and context (#12663) 5 months ago
config.ru Fix rubocop issues, introduce usage of frozen literal to improve performance 3 years ago
crowdin.yml Update Crowdin configuration file 8 months ago
docker-compose.yml Add healthcheck endpoint for web (#11770) 8 months ago
package.json Use eslint cache (#12668) 5 months ago
postcss.config.js Increase files checked by ESLint (#9705) 1 year ago
priv-config TOR federation (#7875) 1 year ago
scalingo.json Remove deprecated config from Heroku and Scalingo (#11925) 8 months ago
yarn.lock Bump react-redux from 7.1.1 to 7.1.3 (#12626) 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

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 8+

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 CONTRIBUTING.md. If your contributions are accepted into Mastodon, you can request to be paid through our OpenCollective.

IRC channel: #mastodon on irc.freenode.net


Copyright © 2016-2019 Eugen Rochko & other Mastodon contributors (see AUTHORS.md)

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 https://www.gnu.org/licenses/.