CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history

Personalize Customize resources for your students. Connect with peers and learn what works for them. Contribute Add resources to the global community library. Share Recommend resources so others can benefit. Curriki helps teachers inspire learning in their students and inspires students to learn more every day.

Zaption provides free interactive video tools and ready-to-use video lessons to engage learners. Our video platform is perfect for K-12, higher ed & training. This is a great tool to use for students who are visual learners and those who need to watch videos more than once. It also works great for those who need to stop and take notes while listening. AB

Learn programming with a multiplayer live coding strategy game for beginners. Learn Python or JavaScript as you defeat ogres, solve mazes, and level up. Open source HTML5 game!

Tynker makes it fun and easy to learn computer programming. Get started today with Tynker's easy-to-learn, visual programming course designed for young learners in 4th through 8th grades.