A private messenger for iOS
Private messenger for Windows, Mac, and Linux
The first messaging platform operating without user identifiers
A New Kind of Instant Messaging
A reference implementation of the SimpleX Messaging Protocol
ADAMANT decentralized Messenger, progressive web application
Full featured live chat, support & marketing platform
Telegram messenger for Android
A universal instant messaging (IM) program
You can message and share files inside your intranet without a server.
Free and Open Source messaging and emailing app
Development toolkit for Web Services and XML data bindings for C & C++
A GNU/Linux operating system accessible for visually impaired.
URL filter to block unwanted content on the internet
Mastodon Kotlin Library
Software per Call Center
A beautiful SMS messenger for Android
IXSF Messenger is a java-based messenger
A smaller, faster, and easier IM client
MSN compatible messenger application