The Coalesys HTTP Client is a free component which was created to address the needs of developers who wish to perform HTTP requests and examine HTTP responses using a simple, high performance COM object.
Whois client in the form of a COM DLL, for all Windows platforms. Can be used in any programming language that supports COM automation, or in custom scripts, ASP pages, etc. Includes a simple whois client, and some sample code (wscript and ASP).
With GeoIP you can detect where your visitors are coming from. You can use this information to deliver personalized information, reducing credit card fraud, analyzing web server logs, target banner ads, etc.