Audioalter - Your online audio toolkit. A collection of easy-to-use web tools for all your audio files
Audacity - Audacity is a free and open-source audio production software suite that includes a surprising array of editing tools and recording systems.
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.
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.
Tune Transcriber - Learn and transcribe music for free from your web browser (no install needed).
FL Studio - Image-Line's FL Studio, now on it's 12th version, is a well-known music production suite and the most popular beat processor on the market, due no doubt to its longevity. Read more about FL Studio.