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).
clsDB.inc is a PHP class for making connections to a MySQL database. Its features include error checking, error logging, optional error output, email notification of errors, devel mode for a development server, and test mode for outputting the queries to a page with or without execution. It returns pertinent information when the query is run (number of records updated, insert id, etc). Results are left as a MySQL result so that they may be manipulated by any MySQL functions. The class can also perform table grooming.
Tapps is an advanced PHP poll system with some neat features: single and multiple answers possible, optional referer check, optional IP locking, optional cookie check (including an option to force the user to accept the cookie), optional email confirmation, database backend, paranoiac user input validation, and a nice admin interface.