Edx.org is one of the best education platform.This platform is having lots of online courses.It is run by Most of the top universities of the world.It is created by MIT and Harvard universities.Their educational resources are perfect which are designed for the professionals.It also provides professional courses designed by great IT companies, like microsoft, google and many more courses which are absolutely free of cost.It also provides professional verified certification course, resources are free but the verified certifications are paid.This platform also provides financial aid for those whose cannot affort to buy certification but with valid reason only.