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# Briar
Briar is a messaging app designed for activists, journalists, and anyone else who needs a safe, easy and robust way to communicate.
Unlike traditional messaging tools such as email, Twitter or Telegram, Briar doesn't rely on a central server - messages are synchronized directly between the users' devices.
If the Internet's down, Briar can sync via Bluetooth or Wi-Fi, keeping information flowing in a crisis. If the Internet's up, Briar can sync via the Tor network, protecting users and their relationships from surveillance.
## Download Briar
[<img src="https://briarproject.org//img/fdroid_badge.png" width="240">](https://briarproject.org/fdroid)
[<img src="https://briarproject.org/img/google_play_badge_web_generic.png" width="240">](https://play.google.com/store/apps/details?id=org.briarproject.briar.android)
You can also [download the APK file](https://briarproject.org/apk) directly from
our site.
[briarproject.org](https://briarproject.org/)
[Source code](https://code.briarproject.org/briar/briar/tree/master)
[Manual](https://briarproject.org/manual/)
[Wiki](https://code.briarproject.org/briar/briar/-/wikis/home)
## Reproducible builds
We provide [docker images](https://code.briarproject.org/briar/briar-reproducer#briar-reproducer)
to ease the task of verifying that the published APK binaries
include nothing but our publicly available source code.
You can either use those images or use them as a blueprint to build your own environment
for reproduction.
## Donate
[](https://liberapay.com/Briar/donate) [](https://flattr.com/t/592836/)
Bitcoin and BCH: 1NZCKkUCtJV2U2Y9hDb9uq8S7ksFCFGR6K