Stars
Render After Effects animations natively on Web, Android and iOS, and React Native. http://airbnb.io/lottie/
An enterprise-class UI design language and React UI library
Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.
Font Awesome React component
120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.
Questions to ask the company during your interview