Vsauce is a family of pop science channels that focus on topics of science, gaming, and technology. The original Vsauce channel focuses on user generated science specific questions that look at the world in unique ways.
Udacity offers free online courses from instructors and industry experts. Many of the courses are in business, computer science, mathematics, design, and science.
TedEd offers educational videos that can be customized to create lessons. Teachers can create their own lessons by adding questions, notes, and additional resources to the videos. Teachers can also find lessons already created by other teachers.