QuickTemplate is a PHP extension for mananging templates and performing multi level variable and block interpolation. Classic two frame menu. Simple to use yet easily customised. HtmlReader is a PHP class for mananging html templates. A very easy to use yet powerful and quick template engine.
Performance is excellent.
A rule-based system for developing sophisticated tables. Optionally use templates to reuse table designs. This is a modification on Sword Su's code. Yet another menu-generation class. As the name suggests, it allows for nested menus in addition to normal link items.