Programming
CakePHP Cacher Plugin
Cache your query results by simply adding a behavior.
It's over this way: https://github.com/jeremyharris/cacher
CakePHP Slugger Plugin
Slugger automatically creates slugs on-the-fly.
Download it here: https://github.com/jeremyharris/slugger
CakePHP Sanitizer Plugin
Sanitize your data (before it goes into the database) automatically based on rules.
Grab it at: https://github.com/jeremyharris/sanitizer
CakePHP Extended Test Case Plugin
Extended test case aims to make the displeasure of using CakeTestCase::testAction() slightly more pleasurable.
Get it here: https://github.com/jeremyharris/extended_test_case
Croogo SyntaxHighlighter Plugin
Syntax is a syntax highlighter plugin for the Croogo CMS. It uses SyntaxHighlighter to highlight code found in your pages/posts. Initial development (i.e., the learning process) was heavily borrowed from Fahad's Geshi plugin.
Grab it here: https://github.com/jeremyharris/syntax

