Ask HN: What's your favorite web application UI? Posted by abinoda on Sunday September 13, 2009 @12:30PM from the ask-hn dept. My favorite is http://www.goplanapp.com/. I'm not a 37 signals evangelist, personally. ( 5 comments | 3 points | on HN )
http://qooxdoo.org/about
Still waiting on Atlas to appear though.
I tried to do a similarly pretty UI with my Ajax app - http://gambolio.com/#/library/
I'm a fan of the UIs-that-don't-actually-exist paradigm, if you couldn't tell.