FusionCharts - Open source Flash charts for dynamic PHP apps.

Micro Bar Chart is a small PHP script to display your statistic data. This version can display data in a horizontal bar form. Installation is very easy. You just need to include the file set an array with your data and call a function. The output style can be change via CSS. An example file is also included.

JpGraph

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; Supports both, GIF, JPG and PNG formats; Supports two Y-axis; Supports spider plots, pie-charts (2D and 3D), lineplots, filled line plots, impuls plots, bar plots (both vertical and horizontal), error plots, field plots, box plots, candle charts,Polar plots and Gantt charts; Multiple plot types in one graph; Intelligent autoscaling; alpha-blending and clipping and many more features.

HTML-Graphs (PHP)

Use the BAR_GRAPH class to create horizontal / vertical bar graphs, progress bars and faders. You can create simple graphs and even grouped bar graphs with legends, add labels, change colors etc. No graphics or libraries (GD etc.) required.

PHPGraphLib - Lightweight PHP Graphing Library

PHPGraphLib is a PHP 4.3+ friendly object-oriented script that has powerful customization features, allowing you to generate the perfect bar graph for any application. Best used with dynamically data, PHPGraphLib allows easy visual interpretation of sophisticated data sets. Simply feed PHPGraphLib an array of data points, and it will generate a .png image of your data. At less than 25kb in size, it will not slow down your scripts. If no customizations are made, PHPGraphLib adjusts the scale and axis of the graph to fit any data, including large numbers, decimal numbers, and negative numbers.

Graidle

Graidle can be used to generate several types of graphical diagrams. There are several classes specialized in generating histograms,spider, pie and line (also filled) charts. Several presentation aspects may be configured like the colors, labels, axis etc. The diagrams are generated as true color images using the GD library functions, and can be displayed as the current script output or saved to a file in the PNG format.

aquatube Gauge

The aquatube Gauge can visualize percentages as a big or small aquatube image with an accordant water level.

GDGraph for PHP

Do line, pie and bar graphs from preformed arrays with GD and PHP.

PHP HTML Graph Class

This class draws vertical graphs only by using HTML and CSS. No requirement for any external graphic library such as GD Simple and grouped bars can be created. You can change everything regarding the looks as the output is template driven. On the fly, you can change the size of graph, the color of all or individual bars, you can add labels, title, footnote or customize the CSS style of all the elements. One the finest features of this class is that you are not anymore restricted to specify the width and/or height of your bar in pixels! You can also specify it in percents! The output looks the same way in all major browsers. The code is very well documented so you can understand every aspect of it

Convex3D.class.php

This package can be used to create and view 3D still or animated graphical models. Convex3D can parsing and using the classic face - vertex type 3D model by internal data or external ASCII file.

Text3D.class.php

This package can be used to create rotate 3D text GIF animations. rotX, rotY and rotZ parameters can be used to define the rotating axis such as horziontaly, verticaly and mixed. This package use standard truetype fonts via GD library.