Software Licenses in Plain English

The style guide is being deprecated! For CSS docs, please see: https://primer.style/css

A modular, lightweight, performant, accessible and extensible drag & drop toolkit for React.

Pure CSS icons library, Customizable & Retina-Ready built 100% in pure CSS, SVG, SVG Sprite, styled-components, Figma and Adobe XD. Easy integration: Embed, NPM & API

Nucleo is a beautiful library of 20000+ icons, and a powerful application to collect, customize and export all your icons.

Capture and inspect HTTP requests Hookbin is a free service that enables you to collect, parse, and view HTTP requests. Create your unique endpoints to inspect headers, body, query strings, cookies, uploaded files, and much more. This service is brought to you by Pixaven — modern GPU-powered image processing API

The Big List of Naughty Strings is a list of strings which have a high probability of causing issues when used as user-input data. - minimaxir/big-list-of-naughty-strings

React Rainbow is a collection of components that will reliably help you build your application in a snap. Give it a hack and let us know what you think.

Get an HTTP endpoint to build mock APIs. Beeceptor intercepts HTTP requests for you to mock in real-time. Create rules to simulate a slow API.

Animista is a place where you can play with a collection of ready to use CSS animations, tweak them and download only those you will actually use.

An emoji guide for your commit messages.

A heads up display for git. Contribute to michaeldfallen/git-radar development by creating an account on GitHub.

reg-suit is a tool suit for visual regression testing.

A tool for developing responsive websites crazy-fast. Preview changes on multiple devices instantly.

React hook for managing form and inputs state

A pack of more than 480 beautifully crafted Open Source icons. SVG, Sketch, Web Font and Animations support. - akveo/eva-icons

Try running Puppeteer / Headless Chrome scripts in the cloud in this free playground. Puppeteer is great for web scraping, E2E testing and monitoring.

Headless browser automation built for developers

Monitor the performance and correctness of your API endpoints & vital site transactions from a single, simple dashboard

Prevent JS libraries bloat. If you accidentally add a massive dependency, Size Limit will throw an error. - ai/size-limit

Access the desktop camera and video using HTML, JavaScript, and Canvas. The camera may be controlled using HTML5 and getUserMedia.

Log JavaScript errors as they happen in your users' browsers in real-time, without any effort.

📛 An open source status page system for everyone. Contribute to CachetHQ/Cachet development by creating an account on GitHub.

Declarative motion system for React, React Native, and vanilla JS

react-fns - Browser API's turned into declarative React components and HoC's

A modern CSS framework — versatile, well documented. Enjoy a fresh look. Customize at ease.

React component for CASL which makes it easy to add permissions in any React application

CASL is an isomorphic authorization JavaScript library