Complex sentence: Fathom was intended to be an internet hub of educational resources and interactive learning activities--something reaching beyond the course-confined materials of more familiar online learning initiatives by universities, like MIT's OpenCourseWare.
Split into simpler sentences: Fathom was intended to be an internet hub of educational resources and interactive learning activities. In these ways, Fathom's ambitions reached beyond the course-confined materials and limited interaction of more familiar online learning initiatives by universities, like MIT's OpenCourseWare.