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Knit vs Briar: catalog facts
Knit	Briar
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL.
Android	Linux, Android
Works with no internet, cell service or servers Messages relay across multiple nearby phones	Works with no internet at all, over Bluetooth or local Wi-Fi No central server and no phone number or email needed
Only reaches people within range of a chain of nearby phones Android only	Currently in maintenance mode, with limited new development Both devices must be online at the same time to exchange messages
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0	License: GPL-3.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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