Qsynth - Qsynth is a simple Qt4 application wrapper for the ...
OnlineSequencer.net - OnlineSequencer.net is an online music sequencer that allows users to create beats and music tracks.
OpenMPT - OpenMPT is a popular tracker software for Windows.
AudioSauna - AudioSauna is a full-featured audio workstation for making music online.
MilkyTracker - MilkyTracker is an open source, multi-platform music application for creating .MOD and .
Jummbox - A modified Beepbox that have more stuff then Beepbox. It can be used just like Beepbox. The features of Jummbox is the same of Beepbox's features, but Jummbox have more stuff to offer.