Bosca Ceoil - A free, easy to use tool for creating music.
Zynewave Podium - Podium is a modern digital audio workstation (DAW) for Windows.
Acoustica Mixcraft 8 Pro Studio - Mixcraft 8 Pro Studio features unlimited audio and MIDI tracks, seamless professional video-editing, and a Performance Panel for real-time live loop triggering.
Renoise - Renoise is a digital audio workstation.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Seq24 - Music & Audio, Audio, Daw, and Music Composition