Apps similar to Scope include SignalView, which is free and open source. Other options are Signalizer, Visual Analyser, xoscope and Zelscope. In total there are six apps like Scope for Windows, Linux and Mac.
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
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.
A powerful software implementing a Spectrum Analyzer, Oscilloscope, Frequency meter, Distorsiometer, Volt meter and more... plus complete D/A conversion, ZRLC, Impedance meter
Italy
EU
Xoscope uses the input of your Sound Card, EsounD and/or a ProbeScope/osziFOX and Bitscope-Hardware. It supports 8 channels and a variable timeline, math, storage, measurements, and load/save data.
Zelscope is a Windows software that converts your PC into a dual-trace storage oscilloscope and spectrum analyzer. It uses your computer's sound card as analog-to-digital converter, presenting a real-time waveform or spectrum of the signal - which can be music, speech, or...
Collection of programs for audio measurements and analysis in acoustical and communication systems. Uses standard and professional PC sound cards for audio signal acquisition and generation.
