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FluffyChat vs iamb: catalog facts
FluffyChat	iamb
Free Free and open source.	Free Free and open source under the Apache-2.0 licence.
Linux, Android, iOS, Web	Command line
End-to-end encryption with cross-signing and encrypted key backups UnifiedPush support for notifications without Google services	Vim keybindings throughout End-to-end encryption, threads and spaces
Audio and video calls are still experimental Requires a Matrix account on some homeserver	Terminal only, no graphical interface Still pre-1.0 releases
Downloadable app, Web application	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
Account needed	Account 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 September 23, 2026

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