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Misskey vs diaspora*: catalog facts
Misskey	diaspora*
Free Free and open source under the AGPL. Hosting is separate.	Free Free and open source under the AGPL. Hosting is separate.
Web, Self-hosted	Web, Self-hosted
Custom reactions, quotes and a built-in file drive that Mastodon lacks Deep per-instance theming and customisation	Aspects give fine control over who sees each post One of the longest-running decentralised social networks
Heavier to run than other fediverse servers Most documentation and community support is in Japanese	Does not speak ActivityPub, so it does not federate with Mastodon Activity levels are low compared with newer networks
Self-hosted, Web application	Self-hosted, Web application
Open source	Open source
License: AGPL-3.0	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.