Sonic Visualiser - Sonic Visualiser is a program for viewing and analysing the contents of music audio files.
Audioalter - Your online audio toolkit. A collection of easy-to-use web tools for all your audio files
BRP-PACU - BRP-PACU is a remarkable platform that works as a dual-channel FFT audio analysis tool.
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.
WavePad FFT Sound Analyzer - WavePad FFT is a best-in-class platform that comes with the exclusive service of sound analysis with more accuracy and details.
Tune Transcriber - Learn and transcribe music for free from your web browser (no install needed).