Libchart is a free chart creation PHP library, that is easy to use. It can generate bar, line diagrams or piecharts. It is compatible with PHP5 (compiled with GD and FreeType) and requires no other dependency.
LT Diagram Builder - PHP version is a library to generate coordinate diagrams (charts/graphs) in PHP pages. The methods Bar, Box, Dot, Pixel, Line, Area and Arrow of the Diagram object can be used for the display of data. The coordinate diagram can be dra
You can use this library to display quick summary statistics in tables or even inline within the your paragraph text. The functions render charts using only html and css and are compatible with all recent browsers.
JpGraph is a OO Graph drawing library for PHP4 as well as PHP5. Highlighted features: Supports both text, linear and log scale for both X and Y-axis; Supports image maps; Supports anti-aliasing of lines; Background image; Supports color-gradient fill; Sup