Edx is providing a series of courses for free of cost to its subscribers, Anyone can learn a lot without spending too much .But if you want certification then you have to spend a little for that.
Programs
MicroMasters Certificate
A series of Master’s-level courses to advance your career, created by top universities and recognized by companies. MicroMasters Programs are credit-eligible, provide in-demand knowledge and may be applied to accelerate a Master's Degree.
Professional Certificate
Designed by industry leaders and top universities to enhance professional skills, Professional Certificates develop the proficiency and expertise that employers are looking for with specialized training and professional education.
