EarMaster - Professional software for ear training and practical music theory on Windows and Mac.
Music Speed Changer (Classic) - Music Speed Changer (Classic) is an amazing mobile app that enables you to adjust the pitch and tempo of your music to make it slower or faster through sound touch processor.
GNU Solfege - GNU Solfege is free music education software.
Audio Trimmer - The simplest way to trim your audio files
Meludia - Listening exercises and to sharpen your ear and music theory skills
Adobe Premiere Pro - Edit video faster than ever before with the powerful, more connected Adobe Premiere® Pro CC.