MP3 Splitter & Joiner - MP3 Splitter & Joiner is a MP3 audio editor.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Free MP3 Cutter - Free MP3 Cutter helps you slice off any unnecessary parts of an MP3 track you don't want.
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.
Shorts - Don't have time for long videos and audios?
GarageBand - GarageBand is a fully equipped music creation studio for Mac