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GoToSocial vs Ktistec: catalog facts
GoToSocial	Ktistec
Free Free to self-host.	Free Free to download and run on your own server.
Self-hosted	Web, Self-hosted
Lightweight server written in Go Federates with other ActivityPub software	Built for single users and small groups Federates with Mastodon and other ActivityPub software
Fewer features than Mastodon by design Not intended for very large follower counts	Not designed for large public communities Requires running and maintaining your own server
Self-hosted	Self-hosted
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

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