BASS audio library add-on based on ZXTune library
XMPlay plugin based on ZXTune library
Speech recognition software for English & Polish languages
Audio DSP FX and plug-ins, mostly for guitar (amp sim) and other FX
a free baxandall low/high eq like VST plugin effect
3D video music media player lyrics subtitles etc...
GTK+iostream, Data plots, ORB, Neural Networks, WSOLA
Text-based chiptune creator
A cross-platform soundboard to hot-key and play sound effects.
A front-end for audio conversion
Application for resizing the duration of audio files
A complete Arduino library for the Fluxamasynth shield.
Trainer helping people learn Morse code in an easy (and fun) way
A batch-oriented frontend for SoX with Qt.
A CLI audio cue file generator which uses the Discogs.com API
3 port MIDI merger based on Arduino Mega
Windows console tone generator,
Text-to-Speech System for Galician and Spanish