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Alice is an easy programming language produced by Carnegie Mellon. It is used to teach computer programming in colleges for students.

http://www.developer.com/java/other/article.php/3673761
has a good introduction to Alice by Professor Dick Baldwin.

The drawback of Alice, compared to Scratch, is that there does not seem to be a website where you can share your programs. Much of the fun of Scratch is sharing your games and movies and having others comment on how good they are.

This article says 10% of college departments use Alice to teach computer programming
http://www.insidehighered.com/news/2007/05/22/compsci