Compare software

Night Drop vs Briar: catalog facts
Night Drop	Briar
Free Free and open source under the AGPL-3.0 licence.	Free Free and open source under the GPL.
Android	Linux, Android
No phone number, email or account; identity is a local keypair End-to-end encrypted messages sent peer to peer over Tor	Works with no internet at all, over Bluetooth or local Wi-Fi No central server and no phone number or email needed
One-to-one chats only, no groups New project with a small user base	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: AGPL-3.0-or-later	License: GPL-3.0
No account needed	Not stated if an account is needed
Not stated if it 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.