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Repository Collection
Hand-picked, production-grade codebases that generate the highest quality quiz questions.
ReactJS-Spring-Boot-CRUD
Full-Stack App
Full-stack CRUD application using React frontend and Spring Boot backend - 711 stars
RealWorld
Full-Stack App
The mother of all demo apps - Exemplifies full-stack apps built with different frontends/backends
FreeCodeCamp
Education Platform
FreeCodeCamp.org's open source codebase and curriculum - 400k+ stars
Ghost
CMS Platform
Turn your audience into a business. Publishing, memberships, subscriptions and newsletters
Meteor
Full-Stack Platform
Meteor, the JavaScript App Platform - used by companies like Qualcomm, IKEA
Framer Motion
Animation Library
A production-ready motion library for React - used by Netflix, Airbnb, Spotify
Lottie
Animation Library
Render After Effects animations on the web - used by Airbnb, Google, Microsoft
GSAP
Animation Library
Professional-grade animation library for the modern web - used by Disney, Google, Apple
Three.js
3D Graphics
JavaScript 3D library - used by Google, Microsoft, NASA
A-Frame
VR Framework
Web framework for building virtual reality experiences - used by Mozilla, Google
Algolia Places
Search Engine
Turn any input into an address autocomplete - used by Airbnb, Stripe, Slack
Elasticsearch.js
Search Engine
Official Elasticsearch client for Node.js - used by GitHub, Stack Overflow
Lunr.js
Search Engine
A bit like Solr, but much smaller and not as bright - used by Jekyll, GitBook
Fuse.js
Search Engine
Lightweight fuzzy-search library - used by VS Code, Slack
TradingView
Finance App
TradingView Charting Library - used by Binance, Coinbase, Robinhood
Yahoo Finance API
Finance API
Yahoo Finance API for Node.js - used by financial applications
Crypto Trading Bot
Crypto Trading
A JavaScript / Python / PHP cryptocurrency trading API with support for 100+ exchanges
Stripe.js
Payment Processing
Stripe JavaScript SDK - used by millions of businesses for payments
Express
Backend Framework
Fast, unopinionated, minimalist web framework for Node.js - used by Uber, Netflix
Koa
Backend Framework
Next generation web framework for Node.js - used by Alibaba, Tencent
Fastify
Backend Framework
Fast and low overhead web framework for Node.js - used by Microsoft, IBM
NestJS
Backend Framework
A progressive Node.js framework for building efficient and scalable server-side applications
D3.js
Data Visualization
Bring data to life with SVG, Canvas and HTML - used by New York Times, Bloomberg
Chart.js
Charts
Simple yet flexible JavaScript charting for designers & developers - used by millions
Observable Plot
Data Visualization
A concise API for exploratory data visualization - used by Observable, GitHub
Recharts
React Charts
Redefined chart library built with React and D3 - used by Airbnb, Netflix
Socket.io
Real-time
Realtime application framework for Node.js - used by Microsoft, Zendesk
Pusher
Real-time
Pusher JavaScript client - used by GitHub, Mailchimp, Buffer
Ably
Real-time
Ably JavaScript client library - used by BBC, HubSpot, Cisco
Leaflet
Maps
JavaScript library for mobile-friendly interactive maps - used by GitHub, Foursquare
Mapbox GL JS
Maps
Interactive, thoroughly customizable maps in the browser - used by Uber, Airbnb
Google Maps API
Maps
Google Maps JavaScript API loader - used by millions of websites
Jest
Testing Framework
Delightful JavaScript Testing Framework - used by Facebook, Airbnb, Netflix
Cypress
Testing Framework
Fast, easy and reliable testing for anything that runs in a browser - used by Microsoft, GitHub
Playwright
Testing Framework
Playwright enables reliable end-to-end testing for modern web apps - used by Microsoft, Google
Storybook
Component Development
Build component-driven UIs faster - used by Airbnb, GitHub, Shopify
Webpack
Build Tool
A bundler for javascript and friends - used by Facebook, Google, Microsoft
Vite
Build Tool
Next generation frontend tooling - used by Vue, Svelte, React communities
Rollup
Build Tool
Next-generation ES module bundler - used by Vue, React, Angular
Parcel
Build Tool
The zero configuration build tool for the web - used by thousands of projects
Lodash
Utility Library
A modern JavaScript utility library delivering modularity, performance & extras - used by millions
Axios
HTTP Client
Promise based HTTP client for the browser and node.js - used by millions of projects
Moment.js
Date Library
Parse, validate, manipulate, and display dates in JavaScript - used by millions
Day.js
Date Library
2KB immutable date time library alternative to Moment.js - used by thousands of projects
Redux
State Management
Predictable state container for JavaScript apps - used by Facebook, Netflix, Airbnb
MobX
State Management
Simple, scalable state management - used by Microsoft, Netflix, Amazon
Zustand
State Management
Small, fast and scalable bearbones state-management solution - used by thousands of projects
Node.js
Runtime
Node.js JavaScript runtime built on Chrome's V8 JavaScript engine - used by Netflix, Uber, PayPal
PM2
Process Manager
Production Process Manager for Node.js applications - used by millions of production apps
Nodemon
Development Tool
Monitor for any changes in your node.js application and automatically restart the server
Uses 1 life • Quiz will be generated based on your code
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