Free Imaging Software

Signals Software allows the user to generate one-dimensional complex functions, process them in various ways (histograms, Fourier transforms, convolutions, etc.), and graph the results. The Instruction Manual is also available online.

This was developed by Professor Roger Easton. Originally written for MS-DOS, a Windows version is available for beta testing.


ImageJ is a public domain Java image processing program inspired by NIH Image for the Macintosh. It runs, either as an online applet or as a downloadable application, on any computer with a Java 1.4 or later virtual machine. Downloadable distributions are available for Windows, Mac OS, Mac OS X and Linux.