ourworldindata.org

Research and data to make progress against the world’s largest problems. Our World in Data (OWID) is a scientific online publication that focuses on large

annas-archive.org

Open-source digital library with 35M+ books/novels, and 100M+ papers. Also contains comics and magazines.

littlerbooks.com

Learn the main ideas of influential books in minutes with the most concise yet comprehensive book summaries anywhere. It’s free-to-read and digestible bullet-point summaries will

omnicalculator.com

A huge collection of calculators from several Fields like Biology, Physics, Constructions,… to help you get to the right result

libraryofbabel.info

The Library of Babel is a place for scholars to do research, for artists and writers to seek inspiration. The library is basically just a

desmos.com

Desmos offers best-in-class calculators, digital math activities, and curriculum to help every student love math and love learning math.