Percipio
Visit Percipio here. Percipio is the newly redesigned AF E-Learning website. There are quite a few training opportunities covering topics such as:
Harvard University Courses
There are free courses as well as courses that are free to audit, which means you can take the course for free but there is a cost to upgrade for additional content and/or to receive a verified certificate from HarvardX.
Kahn Academy
Khan Academy is a non-profit educational organization created in 2006 with the aim of providing a free, world-class education for anyone, anywhere.
CSAF Reading List
General Ronald Fogleman created the CSAF Professional Reading Program in 1996 to develop a common frame of reference among Air Force members — officers, enlisted, and civilians — to help each of us become better, more effective advocates of air and space power.
Air Force E-Learning
AF e-Learning offers upgrade training and continuing education resources to help active-duty, Reserve, Guard and Air Force civilian cyber professionals achieve their goals.
edX
edX is a repository of course offerings by big name entities such as Harvard.
Coursera
Build skills with courses, certificates, and degrees online from world-class universities and companies.
Senior Enlisted Joint Professional Military Education
These certificate courses are designed to help educate and prepare enlisted leaders assigned to Joint organizations or those going to Joint assignments.
Air Force Institute of Technology
The Air Force Institute of Technology School of Systems and Logistics offers a wealth of various different course topics.
Federal Emergency Management Agency
The FEMA Emergency Management Institute (EMI) offers self-paced courses designed for people who have emergency management responsibilities and the general public. All are offered free-of-charge to those who qualify for enrollment.