GEOPosCalc

RadioTelephone Tutor helps you study for the FCC GROL License, plus Ship Radar Endorsement License. Drills on missed questions, can take entire question pools in straight, or random order. Creates practice tests.

Eight-channel multi-tone audio frequency sinusoidal & noise signal generator is intended for adjusting and measuring parameters of audio equipment.

Eight-channel Audio Spectrum Analyzer Real-time FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meters, phase shift meter.

FinalBurner is a freeware alternative to expensive CD and DVD recorders. It allows users to produce professional data, audio, video disks and ISO images. Many types of media are supported, including CD R/RW, DVD+R/RW, DVD-R/RW, DVD DL.

The GSA Image Analyser is a program to analyse 2D-Images of any kind. It can recognize and count objects in an image or also calculate the distance areas in it. The images can be imported from many sources (file, scanner, microscope...).