1. Cakephp File StorageAbstract file storage and upload plugin for CakePHP. Write to local disk, FTP, S3, Dropbox and more through a single interface. It's not just yet another uploader but a complete storage solution.
2. Cakephp Imagine PluginCakePHP wrapper for the powerful Imagine image processing library. Makes images manipulation easy and powerful.
5. cakephp-payments-pluginGeneric Payment Interface. Thought to be used by all payment processors implemented for CakePHP. It might get also a non CakePHP specific branch.
6. cakephp-user-toolsThe UserTools plugin provides you the building blocks for everything around users. It comes with a CRUD kick start through the UserToolComponent and the UserBehavior. Just load the component and you have a working login and registration. Customize it as you like through configuration or use only what you really need.