Cubase - Cubase is one of the world’s most powerful music creation software packages. From first idea to finished recording, Cubase helps you to make outstanding music.
keezy - A colorful soundboard. Play with music.
GarageBand - GarageBand is a fully equipped music creation studio for Mac
Figure - Propellerhead creates world-class software products and services that inspire music makers and provide the foundation for a worldwide creative musical community.
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.
Splice - Music creation, collaboration, and sharing made simple.