Take the ugly long URLs all over the web and snip them into a snipurl that is short, snippy, secure, memorable, and easy to share. [Snipurl, Snurl, Sn.im, and Snipr are synonymous. You can use any one of them.]

1link.in lets you put multiple links into one short link which you can share with your friends.

Sitonomy is an free online service that allows you to find out what technologies are used in particular website or blog.

Answers the question: Do I Need an Umbrella? based on local weather forecasts.

It’s like totally the simplest weather report ever.

A program that translates text to the phonetic alphabet. It is freeware with the source code avaliable. You can run it in Linux or Windows.

Who Is Hosting This.com, a webmaster tool that lets you discover which web host a website uses.

Who.is is a website for performing whois lookups on domain names for many popular gTLDs and ccTLDs.

Website Valued gives you an estimated value of your online business by profiling your website for technical information, keywords, public visitor stats and then comparing them to the database of previous site and domain sales

Quarkbase is a free tool to find complete information about a website.
It is a mashup of over 30 data sources and many algorithms gathering information from Internet on various topics like social popularity, traffic, associated people, etc.