PlotLab is a set of .NET 2.0 components for very easy and fast Data Visualization. They allow very fast display in a Plot/Scope/Chart or Waterfall form. Great for FFT Visualization! Free for non-commercial use.

Delphi/C++ Builder VCL components library for very easy and fast Data Visualization. Allows very fast display in a Plot/Scope/Chart or Waterfall form. Great for FFT Visualization! Free for non-commercial use.

Sonic beacon will test impedance, frequency and phase response, harmonic and inter-modulation distortion of speakers with a mike, preamp, PC and sound card. Sixteen bit sampling rates up to 192 kHz and FFT lengths up to 128K points are supported.

This program is an audio analyzer with FFT and n-th octave frequency analyzers and oscilloscope. The octave analyzer can show the frequency spectrum at 12th, 6th, 3rd and full octave resolution. (A standard license supports all resolutions).

Real-time OscilloScope + FFT Spectrum Analyzer of data accepted from sound card or other ADC you will want.

WaveDiff ActiveX Control v1.0 processes a input wave file using FFT and returns the accuracy of match found with a reference wave file

Graph software for scientists, engineers, and students. It features multiple scaling types, including linear, logarithmic, and probability scales, as well as several special purpose XY graphs and contour plots of 3D data.

Quality sound measurement software equivalent to at least US$10,000 hardware.You can use it for wide scope of audio and acoustics: car audio, home audio, concert hall and room acoustics, sound analysis and noise measurement.

The free version of the advanced sound measurement software DSSF3 is now available. It consists of the signal generator, sound recorder and player, and the peak level meter.

Freeware to help to manage a Tennis tournament for clubs and referee. Automatic draw creation, match Scheduling. Draw and report print. Other sports supported. Fully customizable.