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Pleroma vs snac: catalog facts
Pleroma	snac
Free Free and open source under the AGPL. Hosting is separate.	Free Free and open source.
Web, Self-hosted	Linux, Self-hosted
Runs comfortably on hardware far smaller than Mastodon needs Mastodon-compatible API, so existing apps work	Very small footprint in portable C Actively maintained with frequent releases
Smaller contributor base and slower release cadence Moderation tooling is less developed than Mastodon's	Minimal feature set compared with Mastodon Requires running your own server
Self-hosted, Web application	Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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