Some recent selections:
ASP.NET Panel Server Control free and Visual Designer Suite for Website Navigation..
Web log analysis on-the-fly. Get as deep into your log files as you need rapid to!..
Reporting & Monitoring for RDP rapid gives you facts and data about your server..
A few other groups:
See also the other sections: Web Server side tools, utilities section 1, Web Server side tools, utilities section 2, Web Server side tools, utilities section 3