eStream PanelBar.NET is a flexible, affordable and easy to integrate component for building expandable/collapsible menu systems. eStream PanelBar.NET allows developers to create powerful and attractive menus for their web sites or web applications in just a few lines of code. The product offers out of the box support for XP styled and Outlook styled navigations. The ASP.NET menu control was developed specifically for ASP.NET.

If you're looking for an easy to use yet extremely powerful Ajax chat solution, then ASP.NET Ajax Chat may be just what you're looking for. The software is simple to install, fast and customizable. It uses AJAX to smoothly refresh (no flicker) and supports multiple rooms, private messages, moderation (kick, ban), customized themes based on CSS and much more!