The Massachusetts Institute of Technology offers free online courses through OpenCourseWare (OCW).
The MIT Sloan School of Management offers lecture notes on dozens of undergrad and graduate management courses here: http://ocw.mit.edu/courses/sloan-school-of-management/
The MIT class 15.969 Dynamic Leadership: Using Improvisation in Business features video lectures. The course is here: http://ocw.mit.edu/courses/sloan-school-of-management/15-969-dynamic-leadership-using-improvisation-in-business-fall-2004/
The MIT Engineering Systems Division offers lecture notes and projects from their Project Management courses from both the undergrad and graduate levels here: http://ocw.mit.edu/courses/engineering-systems-division/