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Ktistec vs snac: catalog facts
Ktistec	snac
Free Free to download and run on your own server.	Free Free and open source.
Web, Self-hosted	Linux, Self-hosted
Built for single users and small groups Federates with Mastodon and other ActivityPub software	Very small footprint in portable C Actively maintained with frequent releases
Not designed for large public communities Requires running and maintaining your own server	Minimal feature set compared with Mastodon Requires running your own server
Self-hosted	Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Needs internet	Needs internet
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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