Here's a list of 10 Universities that offer free online writing courses. Many of these courses lead to college credit. You can see the courses here: 10 Universities Offering Free Writing Courses Online
Virtual Professors offers many good quality online lectures and courses in many topics. many of the courses are in video format and are from top universities such as Harvard, Yale, MIT, Berkley, and more. To make it even better, they're all free. You can see the...
Master Class Management has a free 10-lesson course on Management and Leadership skills. The course is a mini MBA that you can study for free at your own pace. You can even get a certificate if you want. Lessons include: How to be a Great Manager through Strong...
MIT has free online courses in many topics including Management and Engineering. You can see the courses here: MIT Open Courseware