MidiCutter creates shorter clips out of long Midi files for use as ringtones.
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SoftStep is a Windows based modular MIDI step sequencer
Synthesize audio files with this piece of software.
Record and edit multitrack MIDI and digital audio with this software
Mix audio, video, & visualizations like a professional DJ, VJ, and KJ
VirtualDek Pro is a PC DJ mixing software that displays two virtual turntables