https://reddsera.com - The top Coursera courses recommended on Reddit.
https://yahnd.com/theater - HN Theater collects, ranks, and showcases the best talks and videos recommended on Hacker News. See new top videos at https://twitter.com/HNTheaterMonth
https://yahnd.com/academy - HN Academy collects, ranks, and showcases the online courses recommended on Hacker News.
https://techyaks.com - Over 80K software development tech talks ranked algorithmically to surface the industry's best presentations from the past, present and future.