Briar
Peer-to-peer encrypted messaging over Tor, Wi-Fi, and Bluetooth meshes.
Why consider Briar?
Briar is an open-source peer-to-peer messaging app designed for activists and journalists. It connects directly via Tor, local Wi-Fi, or offline Bluetooth meshes without relying on centralized servers.
Learn Briar by building
Practical setup notes, real use cases, and copy-ready examples in one focused guide.
In this guide2 sections
Overview of Briar
Briar continues delivering messages even during internet blackouts by hopping messages securely across nearby Bluetooth and local Wi-Fi devices.
Installation
Download the Android APK or Linux desktop client from https://briarproject.org.
Briar is licensed under the GNU General Public License v3.0 (GPL-3.0).
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