ASP Map
Aspmap is a high-performance, web mapping component for embedding spatial data access, display and analysis capabilities in asp.net applications and services.
http://www.vdstech.com/aspmap.htm
J-mail
Dimac cms is an open source web content management system for active server pages(asp). dimac cms doesn't need any dll and can be installed on any windows web host.
http://tech.dimac.net/
Simple Mail
Adiscon simplemail is an easy to use mailer for active server pages (asp) application and other windows scripting tools like vbs. it can also be used with vb and other languages. a free download...
http://www.simplemail.adiscon.com/en/
Web calender
Asp server komponenten, asp - server components, asp web kalender - asp calendar, treeview, barchart
http://www.asp-components.de/