Coursera is a website that provides free distance learning from world class universities and professors. The provide quite a range of courses and new additions appear to be continually coming along.
Topics available include the following,
Courses run from anywhere between 4 and 12 weeks and the lectures are delivered via streamed video content. There are also collaborative environments where you can interact with other students as well as assignments which are marked and returned to you.
Many of the courses provide certificates of completion which can be included in your record of achievement or CV for employers to see. The range of computing courses is pretty incredible. I've already got myself signed up to a graph theory and social network analysis module and a statistical and data analysis course. Take a look here and get yourself signed up, its free! If you don't get on with a course you can just drop out and lose nothing :)