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Pleroma vs GoToSocial: catalog facts
Pleroma	GoToSocial
Free Free and open source under the AGPL. Hosting is separate.	Free Free to self-host.
Web, Self-hosted	Self-hosted
Runs comfortably on hardware far smaller than Mastodon needs Mastodon-compatible API, so existing apps work	Lightweight server written in Go Federates with other ActivityPub software
Smaller contributor base and slower release cadence Moderation tooling is less developed than Mastodon's	Fewer features than Mastodon by design Not intended for very large follower counts
Self-hosted, Web application	Self-hosted
Open source	Open source
License: AGPL-3.0	License not stated
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 23, 2026

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