bitchat
v1.3.1decentralized mesh messaging with end-to-end encryption_
bitchat is a decentralized peer-to-peer messaging application that operates over bluetooth mesh networks. no internet required, no servers, no phone numbers. It builds ad-hoc networks from only the devices in physical proximity, so the network keeps working during outages, disasters, protests, or in regions with limited connectivity.
features
Offline Mesh Chat
Communicate directly via Bluetooth LE without internet or servers. Messages relay through nearby devices to extend range.
Peer-to-Peer Network
Every device is both client and server, automatically discovering peers and relaying messages across multiple hops.
No Accounts, No Numbers
No sign-up, no phone number, no central directory. Identity lives on your device only.
why it matters
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software
supports ios 16.0+ and macos 13.0+. build using xcode with xcodegen or swift package manager.
supports android 8.0+ (api 26). full protocol compatibility with ios version.
documentation
the software is released into the public domain.
status
mesh status: ready
last: peers discovered over bluetooth le · relaying across multiple hops · no servers contacted.