The Leading Open Source Communication Hub | Community Version
The first messaging platform operating without user identifiers
A general purpose security automation platform
A decentralized, privacy-first Android communication app built
Take control of your Discord experience with GoofCord
Home to the Signal Protocol and other cryptographic primitives
Server supporting the Signal Private Messenger applications on Android
Mumble is an open-source, low-latency, high quality voice chat
Java wrapper for the popular chat & VOIP service
A New Kind of Instant Messaging
Powerful open source team chat application
The community bot for the Python Discord community
Android Chat SDK ➜ Stream Chat API. UI component libraries for chat
Distributed messaging and streaming platform with low latency
Distributed instant messaging system for developers
A free (libre) open source, mobile OS for Ethereum
Secure communication software
You can message and share files inside your intranet without a server.
UFONet - Denial of Service Toolkit
Development toolkit for Web Services and XML data bindings for C & C++
minimalistic, secure and autonomous P2P messenger
Encrypted messaging, communities, voice chat, and file sharing.
Desktop communication tool: chat, telephony, multimedia
a very simple json chat made in php