LMMS - Make music with a free, cross-platform tool
ITM Platform - Cloud-based Project Management Solutions
GarageBand - GarageBand is a fully equipped music creation studio for Mac
Hydrogen - Hydrogen is an advanced drum machine.
Ableton Live - Ableton makes Push and Live, hardware and software for music production, creation and performance. Ableton´s products are made to inspire creative music-making.
drumbit - A very easy to use drum machine.