Jest - testing library(cheatsheet)
Yup - Data Validation
io-ts - Data Validation for typescript
Joi Docs - joi lets you describe your data using a simple, intuitive, and readable language.
Expressjs Docs - Fast, unopinionated, minimalist web framework for Node.js
Styleguidist - Isolated React component development environment with a living style guide
Some Libraries for react-hooks
vercel/swr@Github - SWR is a React Hooks library for remote data fetching.
react-query - Github - Hooks for fetching, caching and updating asynchronous data in React