Libki Client to manage time and book PC reservations
Desktop sync client for Nextcloud
VNC Client for Android
An open source RDP server
Feature rich WhatsApp Client for Desktop Linux
Mumble is an open-source, low-latency, high quality voice chat
LibVNCServer/LibVNCClient are cross-platform C libraries
Desktop client for Matrix using Qt and C++20
Android File Transfer for Linux (and macOS!)
Event-driven networking engine written in Python
SSL VPN Client for Windows (OpenVPN).
Midi router
Secure Trading Client for most popular Bitcoin exchanges
High-speed, 3D-friendly, TightVNC-compatible remote desktop software
A free and reliable P2P BitTorrent client
Linux Thin Client Project
Psi+ Project — development branch of Psi XMPP client
HTML5 Client for Remote Desktop Access
Development toolkit for Web Services and XML data bindings for C & C++
An old-school drum-kit sampler
An old-school polyphonic synthesizer
An old-school polyphonic sampler
A live linux Rescue toolkit/Emergency OS - based on q4os Trinity
An old-school polyphonic additive synthesizer