Top 4 websites for learning Computer Science

After years of confusing, I finally decided the following websites for browsing Computer Science tutorials:
 

1. Open Source Society University

Path to free self-taught education in Computer Science!

2. Tutorialspoint

One of the best resource for online education.

3. MIT OpenCourseWare

It makes the materials used in the teaching of almost all of MIT's subjects available on the Web for free.

4. Mahara Tech (Arabic only)

Learn about the IT Tracks provided to you by the ITI platform that qualify you for a specific career path.

Don't forget to contact me or comment below if you have any question.