Apps similar to sndpeek include Signalizer, which is free and open source. Other options are SignalView, MiniMeters, Spectro and Spectrum. In total there are six apps like sndpeek for Windows, Mac, Linux and the web.
Signalizer is a all-in-one signal visualizing package with a bunch of unique focus-points; real-time audio visualization with optimized 3D GPU graphics, everything being scalable and zoomable gridlessly as well as being arbitrarily precise in both settings and display.
SignalView is a stereo sound visualization VST3 plugin. It has a time domain view and a frequency domain view with optional linear or logarithmic display. There is also a sonogram(waterfall) view to see trends in the spectrum.
Canada
MiniMeters is a small persistent & standalone metering app for macOS/Windows. It accepts audio input from any input device on macOS/Windows, the default output device on Windows, as well as an included VST3/AU plugin to insert into your DAW which transmits audio to the...
Spectro is a freeware audio file analyzer for windows. Currently capable of reading FLAC, APE, MP3 and WAV files. Spectro lets you view vital data about compressed audio files and creates a spectrogram of the wave data.
Modeled after the spectrum effect in Ableton Live , Spectrum is a free and open-source web app that shows frequencies of an MP3 or OGG file in real-time.
United States
Multi-instrument, audio analysis and metering software for Post and Broadcast Engineers, Music Engineers, Video Editors, Sound Designers and Composers and everyone else that works with audio.
