these are a couple I know of, but can't vouch for them (haven't used them):
http://mochaui.com/ (moo) http://qooxdoo.org/ - Jack zweb wrote:
Are there any good web UI component libraries -open source or commercial - that you can recomment? They need to be cross browser compatible and have good documentation. Jquery UI is very good but limited in number of controls it offers. YUI is very verbose and very hard to use. extJs only other one I can think of. Any others you use and like?