LMMS - Make music with a free, cross-platform tool
ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
Reaper - Reaper is a focused digital audio workstation (DAW) developed by Cockos. In the creation of the software, the digital audio technology company intended to make audio editing accessible to the masses.
Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.
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.
nlog Synth - Professional Virtual Analogue Synthesizer ::: check nlogmusic at YouTube :::