The music software by Ableton is well known and one of the most comprehensive music making and editing software on the market. Currently and just until 31th May a Lite edition of the Ableton Live software is offered for free. Opposed to the trial version of Ableton Live this Lite version may be used without restrictions. This edition seems to be organized in assoziation with the cloud music hosting service Soundcloud according to the video below. Here is the link to Ableton Live Lite.