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.
Audioalter - Your online audio toolkit. A collection of easy-to-use web tools for all your audio files
Adobe Premiere Pro - Edit video faster than ever before with the powerful, more connected Adobe Premiere® Pro CC.
Transcribe - An online app that reduces the pain of converting audio & video to text. Saves thousands of hours every month for journalists, lawyers, students and professional transcriptionists all over the world, including researchers in Antarctica.
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
Tune Transcriber - Learn and transcribe music for free from your web browser (no install needed).