A Discord mobile app client modification
Bluetooth mesh chat, IRC vibes
The original full-platform IM communication layer framework
Powerful open source team chat application
A free (libre) open source, mobile OS for Ethereum
Berty is a secure peer-to-peer messaging app
The most complete chat UI for React Native
PHP driven chat forum
Smoke: Android Crypto Chat Messenger
Use Apache echarts (incubating) in WeChat mini program
ChatSecure is a free and open source encrypted chat client for iOS
Self-hosted chat app for small teams