Spectrum UI components in React
FormGear is a framework engine for dynamic form creation and complex form processing and validation for data collection.
Persist and populate react-hook-form form using storage of your choice

React component library for creating chat interfaces
A package of Essential JS 2 input components such as Textbox, Color-picker, Masked-textbox, Numeric-textbox, Slider, Upload, and Form-validator that is used to get input from the users. for React
The core test runtime that executes on React Native devices, providing Jest-compatible APIs (describe, it, expect) and managing test collection, execution, and result reporting in native environments.
Blazing fast zero-runtime CSS in JS library
Manage state with style in React
  
A React wrapper for vega-embed
Container Query for React Component
React Mentions
React 18 Streaming. Full-fledged & Easy.
Modern and scalable routing for React applications
A simple React component that lets you listen for when you have scrolled to the bottom.
Tiny react input formatter and mask
Spectrum UI components in React