Edit in Place Plugin (Helper/Component) for CakePHP (requires jquery)
Google Checkout Plugin for CakePHP 2.1
CakeAuction.pgbuild
CDN Assets + md5 hash as part of the filename = always unique URL. A CakePHP Plugin/Lib to facilitate (for JS, CSS, Images, etc)
AdobeConnect Plugin (API implemented as Models/Datasource) and some helpers
Stickyable Behavior to maintain contain and joins for multiple finds
Behavior to manage SELECT UNION finds with CakePHP
CakePHP Plugin to facilitate full text indexing across any Model via ElasticSearch
Input access, sanitization, security layer to simplify CakeRequest access
Rackspace Cloud Plugin (Cloud Files, Cloud DNS, etc...)
Lib and Behavior to manage datetime range
Summernote plugin for CakePHP 2.x
A grid class for CakePHP 2 to generate tabular data easily
extended Cakephp 2.1 TranslateBehavior for support save/edit/validate of Multi Language in Forms
CakePHP Persian Tools
CakePHP Ember.js Plugin
Soft delete trait for CakePHP models