Introduction to Alice
Take a look at the introductory videos found at http://www.alice.org/index.php?page=what_is_alice/what_is_alice.
You can use ALICE at home. Just download Alice 2.2 from the website.
Support for ALICE
You can download Alice 2.2 at home by clicking on the link to its webs
Lots of really good support material can be found at the website Adventures In Alice Programming by Duke University