KA-Lite includes a light-weight web server and thousands of videos and exercises on math, science, and more brought to you by the Khan Academy and The Foundation for Learning Equality. It excludes humanities, test-prep, and partner-content, as well as some region-specific math lessons for particular school districts.
Copy & paste the above command to any Unix-based system to begin download. Rsync can pick up where it left off and only downloads changes.
It's the most efficient way to stay up-to-date with OER2Go modules.