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Briar

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Briar is an open­source, decentralized, encrypted messaging system that is designed for human rights activists, journalists, and anyone who needs a safe and easy way to communicate when Internet connectivity is uncertain.

Briar is meant to secure communications via encryption and ensure message delivery wherever large groups of people converge, such as during the Occupy Hong Kong protests. It does not rely on a central server, and messages are synchronized directly between the users’ devices. Briar can sync via Bluetooth or Wi-Fi when the Internet provided ISP’s or mobile networks are down. When the Internet becomes available again, Briar can sync via the Tor network in order to avoid repressive surveillance. Briar devices also sync up with each other creating an ad-hoc network, even without Internet access, when they are within close range of each other.

This project allows Briar to develop a fully functioning cross-platform messaging app that supports private messaging, forums and blogs.

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Current project status

Just an idea (Pre-alpha)
It exists! (Alpha/Beta)
It's basically done (Release)
People use it (Production)

Funding to date

2015 $150,100 7 months
2016 $94,600 8 months
2018 $116,400 6 months

Total Funding: $361,100

Addressed problems

  • Blocking, filtering, or modification of political, social, and/or religious content (including apps)
  • Localized or nationwide communications shut down or throttling (Blackouts)
  • Repressive surveillance or monitoring of communication

Objective(s)

  • Deploying technology
  • Software or hardware development
  • Technology development

Beneficiaries

  • General public
  • Activists
  • Journalists
  • Advocacy groups/NGOs
  • Other

Region(s)

  • Global

Technology attributes

  • Application deployment
  • Mobile application (clientside)
  • Web API/Mobile application (serverside)
  • Wireless Communication

We wrote about it