Free
Research
Pew Research Center is a nonpartisan, nonadvocacy fact tank that informs the public about the issues, attitudes and trends shaping the world.
Data Science
The tidyverse is an integrated collection of R packages designed to make data science fast, fluid, and fun.
Health & Medicine
Zygote Body is a free online 3D anatomy atlas. View, isolate, and learn human anatomy structures with Zygote Body.