Over 4300 challenging problems for students in grades one to twelve; questions focusing on understanding, spatial reasoning, and problem-solving rather than math rules and theorems.

Open Education Resources is a dynamic digital library and network that hosts a myriad of educational content at multiple grade levels.

A search engine that has aggregated over 178,000 high quality teaching & learning content from over 220 learning platforms (such as Yale University, NASA, National Geographic, Science, Discovery Education and more)

Pratham Books’ StoryWeaver is an online platform that connects readers, authors, illustrators, and translators to create free stories for children around the world.

Kolibri is lightweight and available offline to overcome the challenges faced in low-bandwidth contexts, supporting differentiated instruction and personalized learning. With content available in a variety of languages, the Kolibri ecosystem includes the offline application, the online curriculum tool Kolibri Studio, and a customizable Kolibri Toolkit.