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Sideband vs Knit: catalog facts
Sideband	Knit
Free The open-source application is available without a license fee.	Free Free and open source under the GPL-3.0 licence.
macOS, Linux, Android	Android
Messages travel over radio links with no internet or cellular service Store-and-forward delivery, so both parties need not be online at once	Works with no internet, cell service or servers Messages relay across multiple nearby phones
Requires a Reticulum network, and usually radio hardware, to be useful Small project with a niche user base	Only reaches people within range of a chain of nearby phones Android only
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 2, 2026

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