Python packageSome websites have such broad content and contain so much information that it is extremely difficult to catalog all their material. (Remember, EngiHelp.net is a one-man labor of love.) The following is a list of such websites. Some of these sites may have individual courses/playlists catalogued in detail.
Resource types:
- free website
- free website, registration required
- paid website
- free book/ebook
- paid book/ebook
- Open Access Journal
Broadest Content
-
Michel van Biezen
This site is enormous. Have fun getting lost in STEM paradise! -
Boilerexams
(Purdue University)
Previous exams with solutions for several courses at Purdue University. Provided with the approval and cooperation of the respective academic departments. - Khan Academy
- OpenCourseWare (Massachusetts Institute of Technology)
-
PhET Interactive Simulations
(University of Colorado - Boulder)
Simulations for Physics, Chemistry, Mathematics, Earth & Space Sciences, and Biology - The Organic Chemistry Tutor
Engineering
-
Crash Course Engineering
(Shini Somara)
A quick overview of several engineering disciplines -
Engineer's Edge
An account is required to use most resources. Many are free, but there are paid options for additional content. - The Engineering ToolBox
Mathematics
-
3Blue1Brown
(Grant Sanderson)
A good site for acquiring an intuitive understanding of mathematical principles. - PatrickJMT