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.
Adobe Premiere Pro - Edit video faster than ever before with the powerful, more connected Adobe Premiere® Pro CC.
Kdenlive - Free and open-source, full-featured video editor.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
iMovie - Turn your videos into movie magic.
Audio Trimmer - The simplest way to trim your audio files