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misskey-dev/misskey

An open source, federated social media platform (microblogging) that runs on the ActivityPub fediverse protocol.

Open-source alternative to:Twitter

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What is it?

Misskey is a federated microblogging platform in the fediverse. Anyone can run their own instance or join an existing one, and instances exchange posts and follows with each other over ActivityPub, so users on different servers can interact.

The project is written in TypeScript and is designed to be self-hosted. The project's website lists public servers for joining and includes installation guides for admins who want to set up their own instance, plus a Docker-based deployment path.

The project is maintained by a community of contributors, with translations managed through Crowdin and a Discord community for discussion.

Key features

  • 01Federates with other ActivityPub servers, so users on different instances can follow and interact.
  • 02Written in TypeScript and designed to be self-hosted.
  • 03Supports Docker-based deployment, with installation guides for admins.
  • 04Localized into many languages through a community translation platform.

Use cases

  • Running a community microblogging server for a group of friends or an organization.
  • Joining the fediverse with an existing public instance without self-hosting.
  • Studying or contributing to a federated social platform codebase.

Quick start

  1. 1

    Find an existing instance or create your own (see the install guide)

  2. 2

    Read the official installation guide on misskey-hub.net

Things to know

  • Self-hosting requires server setup and maintenance; the README links to a separate install guide rather than a one-line install.
  • Misskey is a server platform, not a standalone app, so running it means operating a federated instance.

In collections

Self-hosted apps

Topics

#fediverse#activitypub#microblogging#social-network#typescript#self-hosted#federation#microblog#misskey

FAQ

What is misskey?
An open source, federated social media platform (microblogging) that runs on the ActivityPub fediverse protocol. Misskey is a federated microblogging platform in the fediverse. Anyone can run their own instance or join an existing one, and instances exchange posts and follows with each other over ActivityPub, so users on different servers can interact.
Is misskey free to use? What license does it have?
misskey is open source under the AGPL-3.0 license. Check the license terms before using it in commercial products.
Is misskey still maintained?
Actively maintained. The last commit to misskey was on Oct 23, 2026.
What can I use misskey for?
Running a community microblogging server for a group of friends or an organization. Joining the fediverse with an existing public instance without self-hosting. Studying or contributing to a federated social platform codebase.
How do I install misskey?
Find an existing instance or create your own (see the install guide) Read the official installation guide on misskey-hub.net
Where can I get misskey?
The source code and installation instructions are on GitHub: https://github.com/misskey-dev/misskey

Summary generated by AI from the project's README. GitHub stats refresh daily.

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