Telegram Desktop messaging app
Private messenger for Windows, Mac, and Linux
The first messaging platform operating without user identifiers
Elegant Facebook Messenger desktop app
A Decentralized, Onion Routed, Private Messenger
WhatsApp library for NodeJS that connects through the browser app
A New Kind of Instant Messaging
Desktop client for Facebook Messenger
Franz is a free messaging app for services like WhatsApp, Slack, etc,
Python chatbot framework with Natural Language Understanding
Open source machine learning framework to automate text conversations
LXMF client for Android, Linux and macOS to communicate with people
Telegraph is a Laravel package for fluently interacting with Telegram
In-memory message queue with an Amazon SQS-compatible interface
A reference implementation of the SimpleX Messaging Protocol
Home to the Signal Protocol and other cryptographic primitives
A Tox-based instant messaging and video chat client
Distributed instant messaging system for developers
A free (libre) open source, mobile OS for Ethereum
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
A GNU/Linux operating system accessible for visually impaired.
PLEKv2: predicting lncRNAs and mRNAs
Chat Messenger. E-Mail-Client. Websearch. Filetransfer.
PHP & MySQL based CMS with messenger