NoteBear - Buy and sell class notes and get on-demand tutoring.
BrainAround - Q&A site for college textbook problems & solutions
AWS DeepRacer - A 1/18th scale race car to learn machine learning 🚗
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Spires - Connect w/ Oxford or Cambridge University tutors online
ofCourseBooks - Let your students write, save and share their course notes.