The open source platform 'Course Builder', on which NPTEL courses are seen, was created by

Course Builder, the open source platform on which NPTEL courses are viewed, was created by Google.

Microsoft did not create Course Builder, though it makes many other education tools.

Oracle is a database and enterprise software company and is not behind Course Builder.

Wipro is an IT services firm and did not develop this platform.

Google released Course Builder as open code so institutions could run their own online courses.

NPTEL uses it to deliver engineering and science lectures to a wide audience.