ASP.NET Maker 3 is a powerful yet easy-to-use code generator for ASP.NET 2.0. It can create a full set of ASP.NET 2.0 pages quickly from your data source.
Ajaxium replaces ASP.NET postbacks by AJAX, transforming existing ASP.NET applications to Web 2.0 without Javascript or server-side coding. Ajaxium-powered sites remain just as accessible to search engines and old browsers as classic ASP.NET sites.
ASP.NET Report Maker is a powerful reporting tool that can generate dynamic ASP.NET Web reports from a Microsoft Access Database or any data source that supports ADO.
9Rays TreeView for ASP.NET (FlyTreeView) is a treeview control. ASP.NET treeview control features .net data binding, drag-and-drop, viewstate support, customizable styles and behaviors, load-on-demand, checkboxes, client object model, context menu.
EaseData PDF417 Barcode ASP.NET Web ServerControls use its internal HttpHandler to transfer barcode images directly to the client without any temporary files.It is the most efficient method to generate the barcodes dynamically.
EaseSoft DataMatrix Barcode ASP.NET Web ServerControls use its internal HttpHandler to transfer barcode images directly to the client without any temporary files.It is the most efficient method to generate the barcodes dynamically.
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).
Powerful ASP.NET forum software. A discussion board ASP.NET component that can be installed in seconds. Datasource independent (Access/MSSQL/MySQL), private messaging, email notifications and more.
Asp.net listbar 
