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Ktistec vs Akkoma: catalog facts
Ktistec	Akkoma
Free Free to download and run on your own server.	Free Free to self-host; the project accepts donations.
Web, Self-hosted	Web, Self-hosted
Built for single users and small groups Federates with Mastodon and other ActivityPub software	Federates with Mastodon, Pleroma and other ActivityPub software Custom emoji reactions
Not designed for large public communities Requires running and maintaining your own server	Running your own instance requires server administration Diverges from Pleroma mainline, so Pleroma guides may not apply
Self-hosted	Self-hosted
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
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.