ServerFiles.com is a server software & hardware directory for Network administrators & IT professionals, listing networking & server software for Windows 2003, Windows 2000, NT and Linux; and now also listing networking hardware solutions focused on server based computing.
Vote for SpiderArmor
If you own a web site with imporant information, this software can secure your data from spidering programs. This software is made as plugin for IIS and can be used with any scripting language supported by Microsoft IIS server. Works with any web-scripts (HTML, DHTML, ASP, ASP.NET, CFML, PHP, Perl, DLL, EXE, etc).