Google now offers a free website service. Now you can take advantage of their searchability and stunning analytical features right on their domain. This is a boon for teachers who want to offer online courses. You can easily imbed your tests and quizzes created at Google Documents, and use their fabulous templates to make a nice looking, orderly site. Bonus, you can plug your Adsense account into the site, and make a bit of cash. It can be public or private.