1)   RAL / Realtime Analyzer Light 2.0.0.2
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.
Sound, FFT, oscilloscope, audio, measurement, concert, noise, realtime, airport, factory,

 2)   Virtins Sound Card Oscilloscope 3.0
Sound card based real time oscilloscope with sophisticated triggering method including pre-trigger and post-trigger which are generally missing from other sound card based instruments. It is a part of VIRTINS Multi-Instrument.
Oscilloscope, Spectrum Analyzer, Signal Generator, Virtual Instrument, PC Instrument, Sound Card Instrument, FFT,

 3)   SignalLab VC++ 3.1
The SignalLab is a set of Visual C++ components for fast Digital Signal Processing (DSP) and data visualization. They allow fast complex signal manipulations with zero lines of program code. Free for non-commercial use.
DSP, Digital Signal Processing, Signal Processing, FFT, DFT, Goertz, Fourier, FIR, IIR, DCT,

 4)   Virtins Pocket Instrument 1.0
It consists of a real time oscilloscope, a real time spectrum analyzer and a signal generator, and can run them simultaneously. It supports sophisticated triggering method including pre-trigger and post-trigger.
Oscilloscope, Spectrum Analyzer, Signal Generator, Virtual Instrument, Pocket PC Instrument, Sound Card Instrument, FFT,

 5)   Virtins Sound Card Spectrum Analyzer 3.0
Sound card based real time oscilloscope and spectrum analyzer with sophisticated triggering method including pre-trigger and post-trigger which are generally missing from other sound card based instruments. It is a part of VIRTINS Multi-Instrument.
Oscilloscope, Spectrum Analyzer, Signal Generator, Virtual Instrument, PC Instrument, Sound Card Instrument, FFT,

 6)   Phone Tone Decoder 1.5
PhoneTone Decoder can decode the DTMF touch key, FSK Caller-ID, Baudot TTY Code, or any custom phone tone from the PCM wave file or wave stream. It can also detect silence, ring-back, busy or other phone tone. It has the high efficient FFT module.
DTMF, Caller ID, TTY Baudot, FFT, Tone, Decoder, TAPI, Porgramming, component, ActiveX control,

 7)   DPlot 2.0.4.1
Graphing 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.
DPlot, FFT, data filtering, plotting software, graph software, math software, science software, engineering software,

 8)   Frequency Analyzer 2.0
This program splits sound taken from the microphone into basic frequencies and displays them in real-time. Whistle to the microphone and see the plot move up and down with the pitch change. This uses the Fast Fourier Transform (FFT) Transform.
frequency analyzer, FFT, audio tools, sound tool, multimedia audio, fast fourier transform,

 9)   Rainbow 5.11
Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from. Some estimator results differ dramatically!
Power Spectra, PSD, Spectral Estimation, spectral analysis, Spectrum, Fourier transform, FFT, Mathematics, Engineering, Teaching,

 10)   SignalLab VCL 3.1
Delphi/C++ Builder VCL components library for fast Digital Signal Processing (DSP) and data visualization. Allows fast complex signal manipulations with zero lines of program code. Free for non-commercial use.
DSP, Digital Signal Processing, Signal Processing, FFT, DFT, Goertz, Fourier, FIR, IIR, DCT,

 11)   DSSF3 Light 5.0.7.x
DSSF3 Light is a highly advanced sound analyzer greatly exceeding the usual FFT analyzer's performance. DSSF3 Light is equipped with the signal generator, the FFT analyzer, the sound level meter, the oscilloscope, and the sound recorder.
sound, analyzer, noise, measurement, oscilloscope, realtime, ACF, SPL, IACC, parameters,

 12)   SimplexNumerica 8.0.1
2D/3D technical graphics plotting and data analysis software for your plotting needs. Curve fitting, FFT and a presentation software! Download a demo of our analysis and plotting software!
scientific, plotting, diagram, plot, numeric, charts, data logging, data analyzer, data presentation, data analysis,

 13)   TSampleDisplay3D 1.3
Delphi component (and ActiveX) for use in Win32 (9x/ME/2K/XP/Vista) software. It's purpose is to provide sample displaying functions like displaying the sample in 3D with configurable colors, making a selection, zooming, quick-play from click.
DELPHI, COMPONENT, ACTIVEX, DIRECT3D, VISUAL, VISUALY, VISUALLY, SELECT, SELECTION, FFT,

 14)   DSSF3 Full system Version 5.0.7.x
Various sound measurement can be performed using a various functions in the realtime analyzer.DSSF3 is the world's highest class measurement system equipped with the latest technology.
sound, analyzer, noise, measurement, oscilloscope, realtime, ACF, SPL, Tsub60, IACC,

 15)   Virtins Pocket Signal Generator 1.0
It consists of a signal generator and an off-line oscilloscope. It provides sine, square, triangle, saw tooth,white noise, pink noise, multi-tones, arbitrary wave form generation including sweep function.
Oscilloscope, Spectrum Analyzer, Signal Generator, Virtual Instrument, PC Instrument, Sound Card Instrument, FFT,

 16)   SynthMaker 0.9.5j
SynthMaker is a graphical programming environment for creating VST instruments and effects plug-ins. You can also use SynthMaker to learn about and experiment with digital signal processing so it's a great educational tool as well.
Audio, Programming, VST, VSTi, MIDI, FFT, Filter, Modular, Synth, DSP,

 17)   DSSF3 Basic 5.0.7.x
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.
sound, noise, measurement, oscilloscope, realtime, ACF, SPL, IACC, IACF, spectrum,

 18)   Virtins Sound Card Instrument 3.0
A powerful sound card based multi-function virtual instrument software. It contains Oscilloscope, Spectrum Analyzer, Multimeter, Frequency Counter.
Oscilloscope, Spectrum Analyzer, Signal Generator, Frequency Counter, Sound Pressure Level Meter, Virtual Instrument, PC Instrument, RTA, FFT, Counter,

 19)   JA-Tennis 0.9.9.10
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.
tennis, software, management, tournament, referee, draw, automatic, freeware, let, free,

 20)   Virtins Pocket Spectrum Analyzer 1.0
Pocket PC based real time oscilloscope and spectrum analyzer with sophisticated triggering method including pre-trigger and post-trigger which are generally missing from other sound card based instruments.
Oscilloscope, Spectrum Analyzer, Signal Generator, Virtual Instrument, PC Instrument, Sound Card Instrument, FFT,