ObjectivePGP is an open-source library for iOS and macOS
Open source email service with a strong focus on security and privacy
Keybase Go library, client, service, OS X, iOS, Android, Electron
Secure email that protects your privacy
PairDrop, Transfer Files Cross-Platform
Wire for iOS (iPhone and iPad)
Bluetooth mesh chat, IRC vibes
Connect to and interact with Bluetooth LE peripherals
A glossy Matrix collaboration client for iOS
A private messenger for iOS
Home to the Signal Protocol and other cryptographic primitives
A Decentralized, Onion Routed, Private Messenger
Secure, simple and scalable video conferences application
A free (libre) open source, mobile OS for Ethereum
bluetooth mesh chat, IRC vibes
An open-source file sharing app built using Next.js and Perplexity.
Development toolkit for Web Services and XML data bindings for C & C++
Cerberus Content Management System
Smoke: Android Crypto Chat Messenger
Secured blockchain group messaging
It's the simple cloud.
ChatSecure is a free and open source encrypted chat client for iOS
Infrastructure for building composable apps and services on the IPFS
Unifying communication flows to one point