10 Awesome Online Classes You Can Take For Free. Cool, but you need iTunes for nearly everything, and that gets an 'F.' Are there really no other places to get these lessons? I was sure there are some on Academic Earth. Flagged 1. 7 of them are available via YouTube. 2. iTunes is free. It's clunky, but who cares? Do you somehow lose geek-cred just by installing it specifically for this? 1. 2. Don't worry, we're looking out for you! While I have no personal beef with iTunes, I know that many people share your sentiments — so I actually made a concerted effort to include relevant youtube links when possible. Farmer Training Program: Learn, Farm, Join the sustainable food movement | UVM Continuing Education. Files/course_catalog.pdf. 7.014 Introductory Biology | CosmoLearning Biology - StumbleUpon. Khan Academy. The Online Literature Library - StumbleUpon.