PC based Oscilloscope and Spectrum analyzer using sound card
itom - an Open Source Measurement, Automation and Evaluation Software
FLO: a simple markup language to write flowcharts with any text editor
3D Charts - Templates for PovRay(TM)
GTK+iostream, Data plots, ORB, Neural Networks, WSOLA
A PHP class for creating graphs, plots, charts
Easy plotting of images pixel by pixel!
Data aquasition software for Thurlby DSA524
Show binary data
Gplot provides a convenient front-end for gnuplot
Audacity AudioMonitor (customized version of of Audacity 1.3-13-b).