CFAjax is the AJAX implementation for coldfusion. It makes coldfusion method calls on server directly from HTML page using JavaScript and return backs the result to the calling HTML page. CFAjax comes with simple to use JavaScript API and simple coldfusion implementation that marshal’s the response between your CF methods and HTML page. Using CFAjax you can create highly interactive websites with greater performance and usability

mxAjax is easy Ajax implementation framework for coldfusion developers. It is inspired from CFAjax but is build from grounds up with extensibility, maintainability and easy of usage in mind...

CFPaypal provides an easy to use Object Oriented API to implement paypal payment gateway notification functionality. There are several custom implementation of Paypal API in many websites that uses paypal in there own way, but what is lacking is a central project/component that provides easy access to the paypal api/data using OO concepts

CFOpenID is the Coldfusion implementation of OpenID consumer specification. It is intended to handle all of the details specific to OpenID and providing you with simple API to integrate it into your site

Examples on using google gears framework

Site for learning coldfusion programming, tips & tricks

Site for learning how to user design patterns in coldfusion