I use Ext JS at work (it's awesome) and jQuery for my home projects (it's also very awesome but very different than Ext JS). I would recommend taking a look at

I use Ext JS at work (it's awesome) and jQuery for my home projects (it's also very awesome but very different than Ext JS). I would recommend taking a look at Ext JS as it can do some pretty incredible things. For instance it features a layout manager which allows you to make web applications that look and function very much like home-computer based applications.