OPEN COURSE WARE

MIT
MIT OpenCourseWare is a free publication of MIT course materials that reflects almost all the undergraduate and graduate subjects taught at MIT.
There is no registration or enrollment process because OCW is not a credit-bearing or degree-granting initiative.
LINK: MIT OCW
Also u can try out for IIT(India) lectures which are presented in video format to enhance the quality of engineering education in the country by developing curriculum based video and web courses
Five major engineering disciplines have been covered in this project so far (NPTEL Phase I) at the undergraduate (B.E./B.Tech) level.
Civil Engineering
Computer Science and Engineering
Electrical Engineering
Electronics and Communication Engineering
Mechanical Engineering
link: iit video lectures
VARIOUS OTHER UNIVERSITY which offers OCW in various ARTS,SCIENCE,MEDICINE,TECH fields are given below

1.UNIVERSITY OF NOTRE DAME
2.UTAH STATE UNIV
3.TUFTS UNIV
4.University of southern queensland
5.Capilano university
6.Dixie state college
7.Berkeley university
8.U MASS BOSTON
9.University of Utah
10.Weber state university
11.united nations university
12.IIM,Las Vegas, Nevada, USA
13.YALE UNIVERSITY