Link Demon is a full feature link exchange system. With Link Demon you can start your own link exchange complete with full user and admin interface. Support flash and banner ads. Now with MS SQL and PayPal IPN support.
WaspRING is a full-featured Webring written in ASP script. It features Stats, Site of the Day, Multiple Webrings, Members Hit Counter, Members & Administrator Control Panel, Rotating Banners and much more. Full script supplied, no components. Full demo available.