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MongooseIM vs Snikket: catalog facts
MongooseIM	Snikket
Free Free and open source.	Free Free to self-host.
Self-hosted	Android, Self-hosted
Clusters across multiple machines Fault tolerant Erlang design	Invitation-only instances you control No phone number or address book upload
Aimed at large installations, which adds complexity for small setups Requires familiarity with server and cluster administration	Someone has to run and maintain the server Suited to small groups rather than large organisations
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	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.