AudioTool - Whether you want to make music for the club, or you're aiming to put a few tracks to a film, Audiotool is a website geared towards putting the mixes at your fingertips. Read more about AudioTool.
Youlean Loudness Meter - Find your audio's true perceived loudness to prepare for TV and streaming services.
Zelscope - Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and...
Sound Level Meter - You can measure the environmental noise in decibels.
Spectralissime - Spectralissime High Definition Spectrum Analyzer by V.Burel
sndpeek - a real-time audio visualization tool (animated, 3D)