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Yamagishi Kazutoshi 7d2b4186c3 Add Japanese translations (#3635) 6 years ago
app fix: Warn if JavaScript is disabled (#3634) 6 years ago
bin Replace sprockets/browserify with Webpack (#2617) 6 years ago
config Add Japanese translations (#3635) 6 years ago
db Fix tag search order and not to use tsvector (#3611) 6 years ago
docs Fix redirect link on (#1595) 6 years ago
lib Add rake task to prepare database for foreign keys introduced by #3562 (#3614) 6 years ago
log Initial commit 7 years ago
nanobox Add Support for Nanobox (#1709) 6 years ago
public Fix #3063 - Add dynamic app manifest (#3563) 6 years ago
spec Clean up for api/base controller (#3629) 6 years ago
storybook Fix typo (storyboard -> storybook) (#3603) 6 years ago
streaming Execute PushUpdateWorker only for accounts who uses StreamingAPI just now. (#3278) 6 years ago
vendor/assets Initial commit 7 years ago
.babelrc feat(babel): Strip prop types (#3122) 6 years ago
.buildpacks Add heroku APT buildpack for scalingo. (#3051) 6 years ago
.codeclimate.yml Enable CodeClimate SCSS Lint checks (#2886) 6 years ago
.dockerignore Ignore packs folder when COPY . /mastodon (#3522) 6 years ago
.editorconfig Add final newline to locale files (#2890) 6 years ago
.env.nanobox [nanobox] Adjustments for Nanobox development (#3295) 6 years ago
.env.production.sample added 'https://' to CDN_HOST variable example (#3446) 6 years ago
.env.test Add recovery code support for two-factor auth (#1773) 6 years ago
.env.vagrant Add a default to .env.vagrant 6 years ago
.eslintignore Dev Tooling fixes (eslint/editorconfig) (#1398) 6 years ago
.eslintrc.yml Improve ESLint rules for JSX (#3608) 6 years ago
.foreman Replace sprockets/browserify with Webpack (#2617) 6 years ago
.gitignore Ignore .idea folder (#3516) 6 years ago
.haml-lint.yml Added haml-lint and fix warnings (#2773) 6 years ago
.nanoignore Add Support for Nanobox (#1709) 6 years ago
.nvmrc update Node to 6.x LTS (#1228) 6 years ago
.postcssrc.yml Add browserslist config for autoprefixer (#3053) 6 years 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 Rubocop changes (#3501) 6 years ago
.ruby-version Version bumps for ruby and misc gems (#1159) 6 years ago
.scss-lint.yml Enable CodeClimate SCSS Lint checks (#2886) 6 years ago
.slugignore Updates slugignore. 6 years ago
.travis.yml Cache assets in travis (#3532) 6 years ago
Aptfile Add ffmpeg and dependent packages as well as LD_LIBRARY_PATHs (#3276) 6 years ago README tidy up (#2026) 6 years ago
Capfile remove capistrano/faster_assets from Capfile (#2737) 6 years ago
Dockerfile Some Dockerfile improvements (#3182) 6 years ago
Gemfile Gem version bumps (#3524) 6 years ago
Gemfile.lock Update nokogumbo to 1.4.13 (#3617) 6 years ago Adds note for instance admins. (#1925) 6 years ago
LICENSE Fix #49 - License changed from GPL-2.0 to AGPL-3.0 6 years ago
Procfile More robust PuSH subscription refreshes (#2799) 6 years ago Fix sidekiq "port" being wrong (#3014) 6 years ago Fix broken screenshot 6 years ago
Rakefile Initial commit 7 years ago
Vagrantfile Use CLD3 (#2949) 6 years ago
app.json Use cid3 on Heroku (#3001) 6 years ago
boxfile.yml [nanobox] Add python for node-gyp (#3491) 6 years ago Fix rubocop issues, introduce usage of frozen literal to improve performance 6 years ago
docker-compose.yml Switch docker-compose to version 3. (#2747) 6 years ago Some Dockerfile improvements (#3182) 6 years ago
package.json Refactor translationRunner.js (#3604) 6 years ago
scalingo.json More SMTP customization (#1372) 6 years ago
yarn.lock Refactor translationRunner.js (#3604) 6 years ago


Build Status Code Climate

Mastodon is a free, open-source social network server. A decentralized solution to commercial platforms, it avoids the risks of a single company monopolizing your communication. Anyone can run Mastodon and participate in the social network seamlessly.

An alternative implementation of the GNU social project. Based on ActivityStreams, Webfinger, PubsubHubbub and Salmon.

Click on the screenshot to watch a demo of the UI:


The project focus is a clean REST API and a good user interface. Ruby on Rails is used for the back-end, while React.js and Redux are used for the dynamic front-end. A static front-end for public resources (profiles and statuses) is also provided.

If you would like, you can support the development of this project on Patreon. Alternatively, you can donate to this BTC address: 17j2g7vpgHhLuXhN4bueZFCvdxxieyRVWd



  • Fully interoperable with GNU social and any OStatus platform Whatever implements Atom feeds, ActivityStreams, Salmon, PubSubHubbub and Webfinger is part of the network
  • Real-time timeline updates See the updates of people you're following appear in real-time in the UI via WebSockets
  • Federated thread resolving If someone you follow replies to a user unknown to the server, the server fetches the full thread so you can view it without leaving the UI
  • Media attachments like images and WebM Upload and view images and WebM videos attached to the updates
  • OAuth2 and a straightforward REST API Mastodon acts as an OAuth2 provider so 3rd party apps can use the API, which is RESTful and simple
  • Background processing for long-running tasks Mastodon tries to be as fast and responsive as possible, so all long-running tasks that can be delegated to background processing, are
  • Deployable via Docker You don't need to mess with dependencies and configuration if you want to try Mastodon, if you have Docker and Docker Compose the deployment is extremely easy


Please follow the development guide from the documentation repository.


There are guides in the documentation repository for deploying on various platforms.


You can open issues for bugs you've found or features you think are missing. You can also submit pull requests to this repository. Here are the guidelines for code contributions

IRC channel: #mastodon on

Extra credits

  • The Emoji One pack has been used for the emojis
  • The error page image courtesy of Dopatwo

Mastodon error image