Feed reader (and podcast player) which supports RSS/ATOM/JSON
Small, fast & powerful console music player for Unix-like systems
Modern music player and library organizer
Tool to lossless cut audio files
Shotcut is a free, open source, cross-platform video editor.
A tool for transcoding lossless audio files
A free multi-track audio editor and recorder
A GUI in C# .NET 4 for mkvextract (MKVToolNix)
An advanced drum machine with pattern-based programming
An Audio/MIDI multi-track sequencer
Virtual MIDI controller for Linux, Windows and OSX
Icecast and Shoutcast broadcasting client
Search, Download, Play, Share on Bittorrent and the cloud
JACK Audio Connection Kit Qt GUI Interface
An old-school polyphonic sampler
Virtual Pipe Organ Software
An old-school polyphonic synthesizer
An old-school polyphonic additive synthesizer
An old-school drum-kit sampler
A Software synthesizer for Linux
Audio Editor
Professional Audio/Video/Graphics
The X Jack Video Monitor
Qt-based Multimedia Player