RANDOM.ORG - RANDOM.ORG offers true random numbers to anyone on the Internet.
Random Number Generator - Randomly generate integers or floating point numbers within a given range and specified discrete or continuous statistical probability distribution.
Randommer - Generate random number, telephone numbers, text, hashed and social security numbers
The Surrealist - Several online generator toys.
Random-Required - A random string generator that can take numbers, letters, symbols, Chinese characters and arbitrary...
Random Phrase Generator - This site generates random phrases and sentences - sort of like Mad Libs meets Magic 8-ball.