Find out what web server a site is using.
Grab the source and headers for any URL
Block spam bots from stealing your email.

SpamButcher Spam Filter Software info

Contacts:

Web Site

United States of America, Phoenix, 1st Market Way

<info at spambutcher dot com>

Contact person: Rich Olson
What's that web server running 1.0
"What's that web server running?" provides a quick and easy way to determine what web server software a website is using.
 
URL Thing 1.0
URL Thing is a free utility that lets you see the raw results of an HTTP query to any URL. It allows the user to view the full HTTP headers, the time it took for the server to respond and the size of response in bytes.
 
Spam Bot Blocker 1.0
Spam Bot Blocker is a free utility that obfuscated (scrambles) your email address so that you can post it to your website with less risk of it being harvested by spam bots.