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Jami vs Chitchatter: catalog facts
Jami	Chitchatter
Free Free software under the GPLv3 or later. A GNU project with no paid tier.	Free No paid plan is mentioned on the site.
Windows, macOS, Linux, Android	Web
Completely peer to peer, with no server relaying data between users No phone number or email needed to create an account	Runs in the browser with nothing to install Peer-to-peer design without a central chat server
Peer-to-peer delivery means messages to an offline device wait until it reconnects Connection reliability varies more than with a server-relayed service	No history, so it is not suited to ongoing conversations Participants need to be online at the same time
Downloadable app	Web application
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked September 24, 2026

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