Open Culture is a free online hub full of useful digital resources for education.
Cognii is an artificially intelligent teaching assistant that could help students and teachers alike.
Planboard makes lesson planning, grading and tracking straight forward with lots of useful features.
Prezi is a powerful presentation system that uses lots of media types making it very versatile as a teaching tool.
Kahoot! Kids is an app that offers a digital learning playground for younger children to get started.
MIT App Inventor is a code based programming teaching tool that offers simple learning for students.