Mixxx is Free DJ software that gives you everything you need
Functional programming language for signal processing
wxMEdit, Cross-platform Text/Hex Editor, Improved Version of MadEdit
MIDI Metronome using the ALSA Sequencer
Perform dynamic tunings for realtime music.
Real-time audio synthesis engine and music programming language
Musical, talkative Alarm Clock.
patch editor for the E-MU Proteus 2000 synthesizer family
Programmable Digital Synthesizer