1)   NetJaxer 1.0
NetJaxer is a free and easy way to integrate your favorite web 2.0 apps like Gmail, TadaList, Digg, Writely, Kiko, Meebo, financial sites, and other Ajax based web programs right into Windows. Create desktop, tray, and quick launch icons.

 2)   NetJaxer2 2.0
Web 2.0 program launcher and categorized directory of 100's of Web 2.0 application sites.