Swayam is a government-initiated platform in India that offers a plethora of online courses from top universities across the country.
NPTEL is a joint initiative between the Indian Institutes of Technology (IITs) and Indian Institute of Science (IISc) to offer online courses and video lectures.
NIOS stands for National Institute of Open Schooling. It is a national board that provides open schooling opportunities to students who are unable to attend regular schools.