edX is a platform for formal education online. It offers courses from famous universities like Harvard, MIT, Berkley and so on. The variety of courses is really wide, you can learn whatever topic you want from programming to medicine. Here you can find more than 3000 courses arranged into 300 programs.
After you finish your course, you will get the certificae which you can show to your employer.
edX is a good service for people in search of high-quality educational courses. The apporach of service is quite academic, so it’s quite serious.
edX also has an option for Businesses so it can be used for business owners for additonal education for employees.
There aresome free courses, but for paid courses with certificate prices start from $50. If you want to get a Master’s Degree you need to pay the whole price, which can reach $25000.