Mastodon vs Misskey
A side-by-side comparison of two self-hosted social networks options — licensing, setup difficulty, resource needs, and what each one replaces.
| Feature | Mastodon | Misskey |
|---|---|---|
| Deploy effort | Under-an-hour setup | Under-an-hour setup |
| Health score | 100 · Excellent | 93 · Excellent |
| Category | Social Networks | Social Networks |
| License | AGPL-3.0 | AGPL-3.0 |
| Language | Ruby | TypeScript |
| Setup difficulty | Hard | Hard |
| Min. RAM | 2,048 MB | 2,048 MB |
| Deployment | docker, bare-metal, source | docker, bare-metal, source |
| GitHub stars | ★ 50,319 | ★ 11,328 |
| First released | 2016 | 2014 |
| Replaces | Twitter, X | Twitter, Tumblr |
What are Mastodon and Misskey?
Mastodon
Mastodon is a free, open-source decentralized social network and microblogging server. It is part of the fediverse, federating with other ActivityPub servers so users can follow accounts across instances.
- ActivityPub federation
- Chronological timelines
- Content warnings and moderation tools
- Rich third-party app ecosystem
Misskey
Misskey is a free, open-source, decentralized social media platform powered by ActivityPub. It is known for its customizable UI, reactions, and interactive features beyond standard microblogging.
- ActivityPub federation
- Custom emoji reactions
- Highly customizable UI
- Built-in pages and widgets
Mastodon vs Misskey: key differences
Mastodon is written in Ruby, while Misskey is built with TypeScript. Misskey is the more established project (first released 2014), while Mastodon arrived in 2016. Mastodon has the considerably larger community, at 50,319 GitHub stars versus 11,328.
Why pick each one
Choose Mastodon if…
- Large fediverse network
- Strong moderation features
Watch out for
- Resource-heavy to host
- Operationally complex
Choose Misskey if…
- Rich, playful feature set
- Active development
Watch out for
- Resource-intensive
- Complex configuration
Frequently asked questions
Is Mastodon or Misskey better?
Neither is universally better. Mastodon has the larger community; both share a hard setup difficulty, so the decision comes down to features and licensing.
Are Mastodon and Misskey free and open-source?
Yes. Mastodon is licensed under AGPL-3.0 and Misskey under AGPL-3.0. Both can be self-hosted at no software cost.
Can I run Mastodon and Misskey with Docker?
Mastodon: yes. Misskey: yes.