Audio Multi-Tone Generator 4.55 (by Oleg Ya. Shmelyoff)
Two-channel Multi-tone audio frequency sinusoidal & noise signal generator

OscilloMeter - Spectrum Analyzer 4.14 (by Oleg Ya. Shmelyoff)
Real-time OscilloScope + FFT Spectrum Analyzer.

Sound Generator 3.12 (by Oleg Ya. Shmelyoff)
Audio frequency sinusoidal signal generator

Fast Screen Saver 1.0 (by Oleg Ya. Shmelyoff)
Calls Screen Saver by moving mouse to right top corner of the screen.

Audio Spectrum Analyzer - OscilloMeter 5.57 (by Oleg Ya. Shmelyoff)
Audio Spectrum Analyzer for Real-time

Audio Multi-Tone Generator 4.55 (by Oleg Ya. Shmelyoff)
Two-channel Multi-tone audio frequency sinusoidal & noise signal generator

Sound Generator 3.12 (by Oleg Ya. Shmelyoff)
Audio frequency sinusoidal signal generator

Tone Generator 2.01 (by NCH Swift Sound Software)
Create audio tones, sweeps or noise waveforms.

Virtins Sound Card Signal Generator 2.1 (by Virtins Technology)
Signal generator and offline oscillosocpe with arbitrary wave form generation.

Two Channels Frequency Generator 1.0 (by Cognaxon)
Independent control of frequency, phase and volume on left and right channels.

Virtins Pocket Signal Generator 1.0 (by Virtins Technology)
Signal generator and offline oscillosocpe with arbitrary wave form generation.

Audio Spectrum Analyzer - OscilloMeter 5.57 (by Oleg Ya. Shmelyoff)
Audio Spectrum Analyzer for Real-time

Free Mp3 Format DLL 2.7 (by Research Lab Inc)
ActiveX to convert Mp3 To Wav, Wav To Mp3 & Wav To Wav (effects and formats)

Frequency Filer 4.3 (by Joel Graffman)
Frequency Filer 4.3

Test Tone Generator 4.11 (by Timo Esser)
Turns the PC into a function generator for testing, demonstrating, education etc

Equation Illustrator V 2.4.2.1 (by MGCSoft)
Equation editor with vector and picture (bmp,emf,wmf,png,jpg,gif) support.

EarthBrowser 2.10.5 (by Lunar Software, Inc.)
Dynamic 3-D model of the earth with live weather, clouds, earthquakes and more

Graph Paper Maker 1.3.0 (by Black Cat Systems)
Create your own custom sheets of graph paper.

SeisMac 1.3 (by Suitable Systems)
SeisMac turns your Sudden Motion Sensor-equipped laptop into a seismograph.

DNA BASER - December discount 2.7.0 (by CubicDesign)
DNA Baser is useful for assembly of DNA sequences and generation of contigs 490$