This class allows you to create bars, lines, linepoints, dots and pie charts with a highly configurable layout.
This class required the GD library support in PHP and creates both 2D and 3D charts in JPG, PNG or GIF format with postscript font support. There is also a limited 1.0betaR2 version for free if you are using it non-commercially.
This function allows you to parse HTML sources by replacing all image tags with text links (based on ALT tags) to easily create a text-only version of your HTML page.
A simple way to give an image a digital "watermark" to prevent unauthorized use.
Currently supports bar, line, area, pie and point plots and graphs and comes with some rough documentation to get you started.
A simple, yet powerful PHP tool to create attractive web charts from dynamic data.
This function takes care of all your JPG resizing. You supply the function with 5 arguments, and it outputs a resized JPG image per your specifications.
This library contains several functions for every-day web use, including shadowed text, dotted lines, image colorizing and more. It is fast enough to generate on-the-fly images, but can just as easily be used to create static images.
A class that identifies the size and type of an image. Supports GIF, JPEG, PNG, SWF, PCX, PSD, TIFF, XBM, XPM, PBM/PGM/PPM, and both Windows and OS/2 BMP file formats. Also supports remote files.
This class can create thumbnails on the fly and supports JPEG/GIF. Images are easily retreived from the database with easy to use functions. Uses GD Library. | 
