telerik r.a.d.upload V2.13
telerik r.a.d.upload is a specialized file-upload component, employing a highly efficient proprietary HttpModule. The product allocates a minimum amount of server memory, while enabling optimized and completely configurable single- and multi-file uploads.

Active Upload V3.2
ActiveUpload is an easy to use ASP.NET control combined with a Java Applet that will allow multiple file uploads on a web server in a web page. The control supports file filtering, limits and more.

AspLib Component Library 4,5
AspLib component library is solution that includes grid, navigation and input controls, which let you considerably speed up development of web-application and get high-usability interface.