A collection of over 300 reference titles, including dictionaries and encyclopedias across various subjects, from the Oxford University Press

Provides wealth of information about science, geography, history, and cultures through articles, videos, and interactive activities tailored for kids

A community-driven website offering tutorials and projects that often involve design, engineering, and creative arts. It’s more hands-on but great for learning design thinking and practical skills. 

An online library containing academic journals, books, and primary sources. While some content is behind paywall, many institutions provide access, and there are thousands of open-access articles.