If you need to track relational information in SharePoint 2010, this solution is 80% likely to make your life easier with little effort. It makes adding a child items under a parent smoother for the end user.
How to customize the global navigation with CSS and how to extend it with jQuery, in this example animating the menu.
jQuery and SharePoint from a hackers perspective.
A collection of jQuery user-interface components.
jQuery.sheet addresses the web-based spreadsheet or „websheet“ in a different, simple, approach – using html, you simply load the sheet from a url, and you save it to a url… Simple. Or write your own approach. jQuery.sheet manages the sheet creation, viewing, and editing processes, you simply build your application around it.
A jQuery library which abstracts SharePoint’s Web Services and makes them easier to use. It also includes functions which use the various Web Service operations to provide more useful (and cool) capabilities. It works entirely client side and requires no server install.
jQuery with Sharepoint – An intro to jPoint Screencast. Make sure to visit sharejpoint.com and toy around with the awesome examples.
How to get rid of the ‚New‘-Button.
Customizable replacement of the default SharePoint Quick Launch, featuring a collapsible tree-view of the entire site collection and integrated editing, hiding and reordering.
The cool stuff comes after the 4:30 minute mark. Also make sure to check out Jan Tielens‘ blog post on the SmartTools jQueryLoader for SharePoint.