This program scans your webserver's hard drive and compresses all images to the lowest possible filesize without losing quality. It works in conjunction with ImageMagick and requires it to be installed on your server.
A simple random image rotator with optional image links, delay times and image usage count. You can control the alt, border and alignment parameters and whether the link opens in a new window. Called with SSI.
A powerful charting and graphics library for creating professionally looking charts in PNG/JPEG/WBMP/GIF. Supports pie, bar, line, area, high-low-open-close and combo charts. Charts are highly customizable.