BRL-CAD is a powerful constructive solid geometry solid modeling system that includes an interactive geometry editor, ray-tracing support for rendering and geometric analysis, path-tracing for realistic image synthesis, network distributed framebuffer support, and image and signal-processing tools.
PhotoFrame is a PHP4 script that automatically creates a clean Web interface (using frames) from a directory full of JPEG, PNG and GIF images. It creates thumbnails automatically and will use JPEG comments if it finds them. 20 languages are supported, and images, captions, and comments can all be administered via the Web. No database or metafiles are needed.
Photo Collection is a Web-based picture organizer. Pictures are indexed in a relational database (currently MySQL), and can be organized in hierachical categories. Each picture has a thumbnail and can have a name. It is written in PHP on the Web side, and there is a Perl client for database administration.
phpGraphy is a PHP script that allows you to display a picture book/photo gallery on your Web site in a very convenient way. It has many features such as both static and on-the-fly low resolution and thumbnail picture generation, user comments, picture ratings, EXIF/IPTC handling, security levels, and Web interface management. It's also easy to install and highy customizable.
Tof is a Web-based photo album. It is based on slooze, and additionally has viewing rights, picture rating and sorting by rate, indexing with keywords, picture upload through the Web, thumbnail creation, and multiple languages support. It is being developed with PostgreSQL, but should be easy to port to MySQL thanks to phplib.
JpGraph is an OO graph drawing library for PHP 5.1 and above. Highlights of the available features are: multiple scale types; anti-aliasing of lines; color-gradient fills; support for GIF, JPEG, and PNG formats; and support for multiple Y axes. Many plot types are supported, such as pie-charts, lineplots, bar plots, impulse plots, polar plots, error plots, contour plots, matrix plots, gantt charts, and many more. The pro-version also contains extensive 1D and 2D barcode support. The documentation is extensive and is over 700 pages.
PHPLOT is a PHP graphics class for creating charts and plots. It works with PHP5 (but older versions can use PHP4). PHPlot uses the PHP GD extension to produce PNG, GIF, or JPEG images. TrueType fonts (TTF) are optional, or built-in GD fonts can be used. The available plot types are: area, bars, line/points, lines, pie, points, squared, stacked-bars, and thin bar-line. Labels, tick marks, plot legend, X/Y axes, and more are all configurable. Images can be imported as a background, multiple graphs can be drawn on one image, and images can be saved to disk or returned to a browser.