I found this comparison - http://www.ja-sig.org/wiki/display/UP3/Javascript+Toolkit+Comparison Also: http://jonaquino.blogspot.com/2006/04/comparison-of-dojo-and-prototype.html http://summerofcode.wordpress.com/2006/07/01/ajax-toolkit-shootout/ http://www.sitepoint.com/article/javascript-library http://dojotoolkit.org/book/dojo-book-0-9/introduction/why-dojo
-Al
