Strawberry Music Player
A system-wide equalizer for Windows 7 / 8 / 8.1 / 10 / 11
An advanced drum machine with pattern-based programming
Virtual MIDI controller for Linux, Windows and OSX
Audio Tag Editor
Graphical editor software for many Boss and Roland effect & synth unit
Free media player with support for Youtube
An Audio/MIDI multi-track sequencer
MuldeR's OpenSource Projects
JACK Audio Connection Kit Qt GUI Interface
Multiplatform GUI of MP3Gain which adjusts volume of MP3 files
Multi-Format Audio-Encoder Front-end
A fluidsynth Qt GUI Interface
View and edit DICOM tags (Windows & Mac & Linux)
An old-school polyphonic sampler
MIDI libraries for Qt/C++
An old-school polyphonic synthesizer
Play music online. With friends. For free.
Automatic audio RMS normalizer & splitter