104 lines
5.2 KiB
Markdown
104 lines
5.2 KiB
Markdown
> [!NOTE]
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> Want to learn more about Mastodon?
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> Click below to find out more in a video.
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<p align="center">
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<a style="text-decoration:none" href="https://www.youtube.com/watch?v=IPSbNdBmWKE">
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<img alt="Mastodon hero image" src="https://github.com/user-attachments/assets/ef53f5e9-c0d8-484d-9f53-00efdebb92c3" />
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</a>
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</p>
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<p align="center">
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<a style="text-decoration:none" href="https://github.com/mastodon/mastodon/releases">
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<img src="https://img.shields.io/github/release/mastodon/mastodon.svg" alt="Release" /></a>
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<a style="text-decoration:none" href="https://github.com/mastodon/mastodon/actions/workflows/test-ruby.yml">
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<img src="https://github.com/mastodon/mastodon/actions/workflows/test-ruby.yml/badge.svg" alt="Ruby Testing" /></a>
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<a style="text-decoration:none" href="https://crowdin.com/project/mastodon">
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<img src="https://d322cqt584bo4o.cloudfront.net/mastodon/localized.svg" alt="Crowdin" /></a>
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</p>
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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, and 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!)
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## Navigation
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- [Project homepage 🐘](https://joinmastodon.org)
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- [Support the development via Patreon][patreon]
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- [View sponsors](https://joinmastodon.org/sponsors)
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- [Blog](https://blog.joinmastodon.org)
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- [Documentation](https://docs.joinmastodon.org)
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- [Roadmap](https://joinmastodon.org/roadmap)
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- [Official Docker image](https://github.com/mastodon/mastodon/pkgs/container/mastodon)
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- [Browse Mastodon servers](https://joinmastodon.org/communities)
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- [Browse Mastodon apps](https://joinmastodon.org/apps)
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[patreon]: https://www.patreon.com/mastodon
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## Features
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<img src="/app/javascript/images/elephant_ui_working.svg?raw=true" align="right" width="30%" />
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**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](https://blog.joinmastodon.org/2018/06/why-activitypub-is-the-future/)
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**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!
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**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!
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**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](https://blog.joinmastodon.org/2018/07/cage-the-mastodon/)
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**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!
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## Deployment
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### Tech stack
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- **Ruby on Rails** powers the REST API and other web pages
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- **React.js** and **Redux** are used for the dynamic parts of the interface
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- **Node.js** powers the streaming API
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### Requirements
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- **PostgreSQL** 13+
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- **Redis** 6.2+
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- **Ruby** 3.2+
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- **Node.js** 20+
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The repository includes deployment configurations for **Docker and docker-compose** as well as specific platforms like **Heroku**, and **Scalingo**. For Helm charts, reference the [mastodon/chart repository](https://github.com/mastodon/chart). The [**standalone** installation guide](https://docs.joinmastodon.org/admin/install/) is available in the documentation.
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## Contributing
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Mastodon is **free, open-source software** licensed under **AGPLv3**.
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You can open issues for bugs you've found or features you think are missing. You
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can also submit pull requests to this repository or translations via Crowdin. To
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get started, look at the [CONTRIBUTING] and [DEVELOPMENT] guides. For changes
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accepted into Mastodon, you can request to be paid through our [OpenCollective].
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**IRC channel**: #mastodon on [`irc.libera.chat`](https://libera.chat)
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## License
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Copyright (c) 2016-2025 Eugen Rochko (+ [`mastodon authors`](AUTHORS.md))
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Licensed under GNU Affero General Public License as stated in the [LICENSE](LICENSE):
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```
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Copyright (c) 2016-2025 Eugen Rochko & other Mastodon contributors
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU Affero General Public License as published by the Free
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Software Foundation, either version 3 of the License, or (at your option) any
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later version.
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This program is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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details.
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You should have received a copy of the GNU Affero General Public License along
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with this program. If not, see https://www.gnu.org/licenses/
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```
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[CONTRIBUTING]: CONTRIBUTING.md
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[DEVELOPMENT]: docs/DEVELOPMENT.md
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[OpenCollective]: https://opencollective.com/mastodon
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