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Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

Python 335,730 54,473 Updated Nov 3, 2025
TypeScript 3 Updated Jun 6, 2022

Python Algorithm Visualization

HTML 48 3 Updated Dec 19, 2016

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

JavaScript 195,569 31,128 Updated Feb 18, 2026

Universal dynamic routes for Next.js

JavaScript 2,467 230 Updated Aug 6, 2024

🙈 Volkswagen detects when your tests are being run in a CI server, and makes them pass.

JavaScript 15,401 241 Updated Oct 10, 2025

React: CSS in JS techniques comparison

JavaScript 5,503 279 Updated Apr 2, 2024

A state machine abstraction for React

JavaScript 1,335 46 Updated Jan 23, 2019

inline css for react et al

JavaScript 3,668 200 Updated Dec 21, 2023

A modest JavaScript framework for the HTML you already have

TypeScript 13,021 442 Updated Jan 21, 2026

A+ animation module for the modern web

JavaScript 5,958 280 Updated Jul 10, 2018

Browser API's turned into declarative React components and HoC's

TypeScript 3,715 98 Updated Jan 24, 2023

Repositório que mostra empresas e projetos que utilizam React no Brasil

1,350 315 Updated May 5, 2025

A curated list of articles complaining that go (golang) isn't good enough

Go 3,843 128 Updated Mar 4, 2024

Delightful JavaScript Testing.

TypeScript 45,294 6,637 Updated Feb 5, 2026

A hands-on introduction to video technology: image, video, codec (av1, vp9, h265) and more (ffmpeg encoding). Translations: 🇺🇸 🇨🇳 🇯🇵 🇮🇹 🇰🇷 🇷🇺 🇧🇷 🇪🇸

Jupyter Notebook 16,157 1,385 Updated Sep 7, 2023

🕟 Redux store subscriber for specific state change

JavaScript 21 1 Updated Mar 17, 2018

Spree Commerce is an API-first, open-source eCommerce platform for fast growing businesses and enterprises. Spree supports complex commerce scenarios natively — from B2B wholesale to multi-vendor m…

Ruby 15,224 5,237 Updated Feb 18, 2026

🍺 Portando discussões feitas em grupos (Facebook, Google Groups, Slack, Disqus) para o GitHub Discussions

4,248 228 Updated Dec 16, 2020

Data Visualization Components

JavaScript 8,793 834 Updated Dec 18, 2024

WebGL2 powered visualization framework

TypeScript 13,871 2,193 Updated Feb 17, 2026

🚥 Traffic control for code.

Ruby 568 48 Updated Feb 17, 2026

🐒 Resiliency toolkit for Ruby for failing fast

Ruby 1,468 87 Updated Feb 10, 2026

🔌 circuit breaker based on netflix/hystrix but in ruby, hopefully commands/semaphores eventually too

Ruby 109 7 Updated Nov 29, 2023

Fast and lightweight DOM diffing/patching (no virtual DOM needed)

JavaScript 3,458 144 Updated Jan 24, 2026

Reliably communicate state changes to deeply nested React elements

JavaScript 1,318 58 Updated Nov 20, 2022

DataLoader is a generic utility to be used as part of your application's data fetching layer to provide a consistent API over various backends and reduce requests to those backends via batching and…

JavaScript 13,579 517 Updated Jan 28, 2026

🌍  Spec-compliant and production ready JavaScript GraphQL server that lets you develop in a schema-first way. Built for Express, Connect, Hapi, Koa, and more.

TypeScript 13,947 2,018 Updated Feb 16, 2026

Workshop about GraphQL with ApolloStack in reactiveconf.com/workshops

JavaScript 29 6 Updated Nov 15, 2019

Priority queues in JavaScript

CoffeeScript 238 37 Updated Oct 29, 2019
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