Immutable.js

Programming Collections
minimaxir/big-list-of-naughty-strings
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 Components
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.
michaeldfallen/git-radar
A heads up display for git. Contribute to michaeldfallen/git-radar development by creating an account on GitHub.
Device metrics - Google Design
A comprehensive design guide for sizing and resolutions across all devices.
Beeceptor - Rest API mocking in seconds
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
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.
gitmoji
An emoji guide for your commit messages.
reg-suit
reg-suit is a tool suit for visual regression testing.
Sizzy
A tool for developing responsive websites crazy-fast. Preview changes on multiple devices instantly.
react-use-form-state
React hook for managing form and inputs state
akveo/eva-icons
A pack of more than 480 beautifully crafted Open Source icons. SVG, Sketch, Web Font and Animations support. - akveo/eva-icons
Puppeteer Sandbox | Headless Chrome Playground
Try running Puppeteer / Headless Chrome scripts in the cloud in this free playground. Puppeteer is great for web scraping, E2E testing and monitoring.
Browserless
Headless browser automation built for developers
Checkly | API and Site Transaction Monitoring for Dev & Ops Teams
Monitor the performance and correctness of your API endpoints & vital site transactions from a single, simple dashboard
ai/size-limit
Prevent JS libraries bloat. If you accidentally add a massive dependency, Size Limit will throw an error. - ai/size-limit
Camera and Video Control with HTML5
Access the desktop camera and video using HTML, JavaScript, and Canvas. The camera may be controlled using HTML5 and getUserMedia.
Github
Errorception
Log JavaScript errors as they happen in your users' browsers in real-time, without any effort.
CachetHQ/Cachet
📛 An open source status page system for everyone. Contribute to CachetHQ/Cachet development by creating an account on GitHub.
Pose - A declarative animation library for React, HTML, and SVG
Declarative motion system for React, React Native, and vanilla JS
jaredpalmer/react-fns
react-fns - Browser API's turned into declarative React components and HoC's
Teutonic CSS
A modern CSS framework — versatile, well documented. Enjoy a fresh look. Customize at ease.
npm: @casl/react
React component for CASL which makes it easy to add permissions in any React application
CASL
CASL is an isomorphic authorization JavaScript library
Popmotion - A functional JavaScript motion library
A functional, flexible JavaScript motion library
lerna/lerna
lerna - :dragon: A tool for managing JavaScript projects with multiple packages.
storybooks/storybook
storybook - Interactive UI component dev & test: React, React Native, Vue, Angular
npm: jest-dom
Custom jest matchers to test the dom structure
npm: jest-runner-flowtype
Jest runner to run flowtype checks. Fast and easy usage of jest as a platform