The first messaging platform operating without user identifiers
A New Kind of Instant Messaging
Powerful open source team chat application
The Leading Open Source Communication Hub | Community Version
Home to the Signal Protocol and other cryptographic primitives
Mumble is an open-source, low-latency, high quality voice chat
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
You can message and share files inside your intranet without a server.
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
A lightweight, high-performance Internet Relay Chat server
minimalistic, secure and autonomous P2P messenger
A GNU/Linux operating system accessible for visually impaired.
URL filter to block unwanted content on the internet
Your own private chat server. No coding. Ready in minutes.
PHP driven chat forum
Smoke: Android Crypto Chat Messenger
Configurable ident daemon with IP masquerading support
The Free & Popular FLARUM Web Software in a Complete Virtual Machine
Open-source XMPP client for Android
MSN compatible messenger application