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Hollo vs snac: catalog facts
Hollo	snac
Free Free to self-host from the GitHub repository.	Free Free and open source.
Self-hosted	Linux, Self-hosted
Federates with Mastodon and the wider fediverse Works with existing Mastodon client apps	Very small footprint in portable C Actively maintained with frequent releases
Single-user only You must run and maintain the server yourself	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.