Enzyme is an architecture for creating user-searching-user applications. Right now, it is primarily useful as a resume create/search and HR management system. However, it's potential uses are wide-ranging, and it offers PHP developers an alternative to relying on simple "keyword" searching systems.
Todolist.php is a set of PHP scripts that creates a Web-based list of things todo. Items can be added and removed, and are sorted by an assigned priority. It is also possible to assign special tasks to another person and to specify a due date. Tasks are organized in projects. Todolist.php supports several languages.
TYPO3 CMS is a Web Content Management System which features automatic creation of navigational menus, headlines, and other dynamic graphical elements, automatic conversion and scaling of images, the ability to present different templates based on variables such as client browser or country code, support for multiple templates on a site, and a built-in password-protection option. Pages can be timed to be shown on a certain date, be hidden on a certain date or just temporarily hidden. TYPO3 supports search in SQL-databases and redesigning of a website at once is just a matter of creating a single new template.
SIDB (Scientific Image Database) is a Web-driven database for (scientific) images. Entry of image meta-data is facilitated through the use of user-definable templates. Users have complete control over who else may see the submitted image and data. SIDB offers various views on the actual image data. Thumbnail plus meta-data can be printed, and multiple thumbnails can be combined in galleries. A freeware version of the Huygens software (http://www.svi.nl) can be used to generate projections from 3-D images (most confocal microscope image formats are supported), as well as MPEG movies, showing the individual layers from the 3-D images.
MenuWorkshop is an HTML menu generator. It can build 2-level menus with images in the background and a mouseover effect on each menu item. It is very easy to set up. The generated file is pure HTML4/XHTML and doesn't need any PHP preprocessing to be done on your final page once the menu is built.
iPhotoAlbum is a dynamic online photo album program written in PHP. iPhotoAlbum that has a sleek design and has a whole slew of features included. The feature list includes support for spaces, multi-level photo folders, customized info panels, smart picture sizing, quickemail, quicklinks, and an advanced photo album navigator. It also has Picture Stats (size, width, height, type).
ITMS uses PHP to formalize the task delegation process in a business environment. Functionality includes the ability to create individual tasks and then combine them into a process of work items which can be easily delegated to any user of the system. Assignment and reminder emails are recieved based upon user preferences. Administrators of the system have the ability to manage all users and their task properties. ITMS supports MySQL, Oracle, LDAP, and SSL.