rTorrent BitTorrent client
Connect to a Service Bus namespace and administer messaging entities
API Support for your favorite torrent trackers
A faster, leaner email client and fork of Nylas Mail
An alternative Discord client with voice support made with C++ and GTK
An efficient feature complete C++ bittorrent implementation
Mumble is an open-source, low-latency, high quality voice chat
Microsoft project for cloud-based client-server communication
High performance .NET library for MQTT based communication
Feature rich WhatsApp Client for Desktop Linux
Efficient UDP unicast, UDP multicast, and IPC message transport
Liferea (Linux Feed Reader), a news reader for GTK/GNOME
PC WeChat chat robot with secondary development interface
The extensible chat client
Instant messaging platform
High Performance TCP/UDP/HTTP communication component
Chat client for Twitch
A dynamic library tweak for WeChat macOS
Miranda NG: Next Generation of Miranda IM
WinSCP is a free SFTP, SCP, S3, WebDAV, and FTP client for Windows.
A free and reliable P2P BitTorrent client
DX Cluster client for radio amateurs
The IN3 client (written in C)
A Windows client for the Direct Connect networks
Search, Download, Play, Share on Bittorrent and the cloud