Coursera is the best online free education company that I know. It partners with the top universities and organizations in the world to offer courses online for anyone to take, for free. Their courses are taught by world-class professors which let you learn at your own pace and then if you like it you can test your knowledge.
They offer a wide range of topics from Humanities, Medicine, Biology, Social Sciences, Mathematics, Business, Computer Science, and many others. Whether you're looking to improve your resume, advance your career, or just learn more and expand your knowledge, we hope there will be courses that you find useful and interesting.
You'll find the site at https://www.coursera.org/ .