Android Chat SDK ➜ Stream Chat API. UI component libraries for chat
WhatsApp library for NodeJS that connects through the browser app
The Leading Open Source Communication Hub | Community Version
The first messaging platform operating without user identifiers
Open source machine learning framework to automate text conversations
A New Kind of Instant Messaging
Powerful open source team chat application
A private messenger for iOS
Private messenger for Windows, Mac, and Linux
Telegram messenger for Android
A glossy Matrix collaboration client for Android
A glossy Matrix collaboration client for the web
A minimalist Discord Client
Video- & audio-conferencing app for Nextcloud
The very last word in instant messaging
Instant messaging platform
Twake is a secure open source collaboration platform
Distributed messaging and streaming platform with low latency
Full featured live chat, support & marketing platform
A free (libre) open source, mobile OS for Ethereum
A free (libre) open source, mobile OS for Ethereum
Tock, the open source conversational AI toolkit
A realtime distributed messaging platform
A universal instant messaging (IM) program