Theresa Neill, co-author of Designing Web Interfaces lists her 30 essential controls for Rich Interface Application design, and provides a list of frameworks that provide these controls, in the second article in a three part series on patterns and principles for RIA design.
1) Standard Screen Patterns: 12 patterns w/100 examples
2) Essential Controls: 30 controls for RIA design and development
3) Components for Commonly Requested Features: 15 patterns and examples (Forthcoming)
http://theresaneil.wordpress.com/2009/02/04/30-essential-controls/