Audio, for free
4 paid apps with a free way out.
Ableton Live, free options: Multitrack recording, MIDI editing and a built-in set of effects and instruments.Adobe Audition, free options: Multitrack editing, noise reduction, effects and spectral tools, free and open source.FL Studio, free options: Pattern-based beat making with synths, a sampler and MIDI support.Logic Pro, free options: Free multitrack recording, Apple loops, software instruments and effects on Mac and iOS.