It's difficult to get a sense of quality with lists like this. Nonetheless, I think it's great resource. Heading over to check out the Heideggerian Philosophy "courses" right now!
The small taste of free courses from Stanford was exactly what I needed to remind me what I enjoyed most about college. I especially like how they allow you to take and retake quizzes until you achieve 100%; a great way to reinforce concepts. A community curated list of free university courses would be fantastic, an aggregator of sorts.