MIT Open Courseware offers an extensive series of online courses. Courses generally include lecture videos, assignments, exams, and more.

MyOpenMath is a free and open version of MyMathLab or WebAssign. Instructors can create randomized algorithmically generated problems for their students or choose from problems already created by other instructors.

Bookboon offers more than 100 titles on mathematics and statistics.

Find textbooks on a variety of mathematical topics.

Flat World Knowledge offers textbooks on elementary and intermediate algebra and introductory statistics.

Developed at Rice University, this text is geared toward students majoring in fields other than math or engineering and focuses on the applications of statistical knowledge rather than the theory behind it.

Browse a wide selection of textbooks on mathematical topics.