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Chitchatter vs Briar: catalog facts
Chitchatter	Briar
Free No paid plan is mentioned on the site.	Free Free and open source under the GPL.
Web	Linux, Android
Runs in the browser with nothing to install Peer-to-peer design without a central chat server	Works with no internet at all, over Bluetooth or local Wi-Fi No central server and no phone number or email needed
No history, so it is not suited to ongoing conversations Participants need to be online at the same time	Currently in maintenance mode, with limited new development Both devices must be online at the same time to exchange messages
Web application	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
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 September 24, 2026	Official website Full listing and sources Checked September 22, 2026

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