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Jami vs WiFi Walkie Talkie: catalog facts
Jami	WiFi Walkie Talkie
Free Free software under the GPLv3 or later. A GNU project with no paid tier.	Free Free and open source under the AGPL-3.0.
Windows, macOS, Linux, Android	Android
Completely peer to peer, with no server relaying data between users No phone number or email needed to create an account	No configuration needed to find other devices Works on a local network without a 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	Only reaches devices on the same network segment Device discovery depends on Android NSD, which can be unreliable
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: AGPL-3.0-only
No account needed	No account needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 21, 2026	Official website Full listing and sources Checked October 2, 2026

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