graphviz is a set of graph drawing tools and libraries. It supports hierarchical and mass-spring drawings; although the tools are scalable, their emphasis is on making very good drawings of reasonably-sized graphs. Package components include batch layout filters and interactive editors for X11, Java, and a TCL/tk extension. The batch filters can be configured as a web visualization service (using GIF and click-maps). Typical applications include display of finite state machines, software diagrams, database schemas, and communication networks.
PLOTICUS is a command line utility for creating bar, line, pie, boxplot, scatterplot, sweep, heatmap, vector, timeline, Venn diagrams, and other types of charts and plots. ploticus is good for automated or just-in-time graph generation. It handles date, time, and categorical data nicely, and has some basic statistical capabilities. It can output to GIF, PNG, SVG, SWF, JPEG, PostScript, EPS, and X11. You can use convenient preset options or create complex scripts with rich and detailed color and style operations.
WACS is a tool for building adult Web sites. It is equally suitable for managing a private collection or building a commercial site. WACS has many best of breed features, including dynamic filtering, model catalogs, random sampling, galleries, automatic download, and a powerful search engine. WACS contains both a full ready-to-run Web environment and an extensive programming API implemented in both Perl and PHP.
Advanced Graphs and Charts Collection for PHP provides a very easy way to embed dynamically-generated graphs and charts into PHP applications and HTML Web pages. The Graphing components provide various solutions for the incorporation of graphs and charts into Web/intranet pages and applications. Versatile components provide the ability for Web authors and developers to quickly build and publish dynamic and interactive graphs and charts.
phpThumb() is a flexible thumbnail generator. The output can be larger or smaller than the source, an entire image or cropped section, with or without configurable borders and/or a background color. The source can be a local file, a remote file, or a database source. GIF reading is supported with or without GD support. BMP reading is supported with or without ImageMagick. Any ImageMagick-supported format can be used as a source if ImageMagick is available. Watermarking, unsharp mask sharpening, and caching are available. EXIF thumbnails can be extracted and/or used for large-source support.
Open Flash Chart is a program for creating charts in Flash to display in Web pages. You can create bar, line, area, and pie charts. It also includes server side classes to help generate the data file used as input. At the moment, there are classes for PHP, Perl, .NET, Java, Ruby (and Rails), and Python.