Joon Ho Cho

OpenBB. Open Data Platform for analysts, quants and AI agents.

system-prompts-and-models-of-ai-tools. FULL Augment Code, Claude Code, Cluely, CodeBuddy, Comet, Cursor, Devin AI, Junie, Kiro, Leap.new, Lovable, Manus, NotionAI, Orchids.app, Perplexity, Poke, Qoder, Replit, Same.dev, Trae, Traycer AI, VSCode Agent, Warp.dev, Windsurf, Xcode, Z.ai Code, Dia & v0. (And other Open Sourced) System Prompts, Internal Tools & AI Models

transformer-explainer. Transformer Explained Visually: Learn How LLM Transformer Models Work with Interactive Visualization

spinai. TypeScript

react-filepond. 🔌 A handy FilePond adapter component for React

vinxi. The Full Stack JavaScript SDK

gpt-2. Code for the paper "Language Models are Unsupervised Multitask Learners"

ai. The AI Toolkit for TypeScript. From the creators of Next.js, the AI SDK is a free open-source library for building AI-powered applications and agents

pytorch. Tensors and Dynamic neural networks in Python with strong GPU acceleration

open-webui. User-friendly AI Interface (Supports Ollama, OpenAI API, ...)

coai. 🚀 Next Gen Multi-tenant AI One-Stop Solution. Builtin Admin & Billing System. Enterprise-Grade Unified LLM Gateway Support for 200+ Models And 35+ Providers, Load Balacing w/ Priority-base Routing, Cost Management, Chat Share, Cloud Sync, Credit/Subscription Billing, All File Parsing, Web Search, Built-in Model Cache.

NextChat. ✨ Light and Fast AI Assistant. Support: Web | iOS | MacOS | Android | Linux | Windows

flash-list. A better list for React Native

GameServer. League Sandbox's Game Server

colyseus. ⚔ Multiplayer Framework for Node.js

rathena. rAthena is an open-source cross-platform MMORPG server.

rustarok. Multiplayer, fast-paced Moba style game

lexical-beautiful-mentions. A mentions plugin for the lexical text editor.

trajectory-simplification-js. Trajectory-simplification-js is a JavaScript library that provides a collection of trajectory simplification algorithms for developers. The library offers various popular algorithms to simplify trajectory data by removing redundant points while preserving the original shape of the path.

figma-simplify-path. Figma plugin to simplify vector paths

simplify-js. High-performance JavaScript polyline simplification library

simplify-svg-path. Extracts `Path#simplify()` from Paper.js.

canvas-free-drawing. A JavaScript library that allows you to draw in a canvas HTML element, straightforward to use and extremely lightweight.

react-hotkeys-hook. React hook for using keyboard shortcuts in components.

blinkdb. 🗃️ An in-memory JS database optimized for large scale storage on the frontend.

microbundle. 📦 Zero-configuration bundler for tiny modules.

btree-typescript. A reasonably fast in-memory B+ tree with a powerful API based on the standard Map. Small minified. Well documented.

supabase. The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

remix. Build Better Websites. Create modern, resilient user experiences with web fundamentals.

developer-roadmap. Interactive roadmaps, guides and other educational content to help developers grow in their careers.

stable-diffusion-webui. Stable Diffusion web UI

textgen. Open-source desktop app for local LLMs. Text, vision, tool-calling, OpenAI/Anthropic-compatible API. 100% private.

code. JavaScript

browser-passworder. A simple browserifiable module for encrypting and decrypting JSON-serializable objects with a password.

jose. JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes

go-figure-web. Angular web app for GoFigure

coding. Coding page to display animated algorithms

DeepFaceLab. DeepFaceLab is the leading software for creating deepfakes.

react-mosaic. A React tiling window manager

winbox. WinBox is a modern HTML5 window manager for the Web.

mathjs-expression-parser. Just the expression parser of mathjs

subscript. Expression parser / evaluator.

expr-eval. Mathematical expression evaluator in JavaScript

react-icons. svg react icons of popular icon packs

learningPixi. A step-by-step introduction to making games and interactive media with the Pixi.js rendering engine.

TradingView-API. 📈 Get real-time stocks from TradingView

ant-design. An enterprise-class UI design language and React UI library

astar-typescript. A* search algorithm in TypeScript

javascript-astar. A* Search / Pathfinding Algorithm in Javascript

hash-wasm. Lightning fast hash functions using hand-tuned WebAssembly binaries

can-it-be-done-in-react-native. ⚛️ 📺 Projects from the “Can it be done in React Native?” YouTube series

gl-react. gl-react – React library to write and compose WebGL shaders

react-native-animated-tabbar. A 60FPS animated tab bar with a variety of cool animation presets 😎

react-native-tab-view. A cross-platform Tab View component for React Native

murmurHash3.js. MurmurHash3, in JavaScript.

js-xxhash. Javascript implementation of xxHash

workers-types. TypeScript type definitions for authoring Cloudflare Workers.

react-native-video-processing. Native Video editing/trimming/compressing :movie_camera: library for React-Native

react-native-bottom-sheet. A performant interactive bottom sheet with fully configurable options 🚀

rn-extensions-share. React-Native as an engine to drive share extension

react-native-map-link. 🗺 Open the map app of the user's choice.

react-native-blurhash. 🖼️ A library to show colorful blurry placeholders while your content loads.

react-native-animated-nav-tab-bar. A simple and customisable React Native component that implements an animated bottom tab bar for React Navigation.

webshell. 🔥 Craft Robust React Native WebView-based components with ease.

react-native-reanimated. React Native's Animated library reimplemented

apple-signin-auth.  Apple signin for nodeJS.

react-native-draggable-flatlist. A drag-and-drop-enabled FlatList for React Native

react-native-apple-authentication. A React Native library providing support for Apple Authentication on iOS and Android.

react-native-qrcode-svg. A QR Code generator for React Native based on react-native-svg and node-qrcode.

playwright-test. Build a cross-browser end-to-end test suite with Playwright.

react-native-select-contact. A cross-platform contact selection library for react-native

react-native-draggable-gridview. TypeScript

react-native-image-crop-picker. iOS/Android image picker with support for camera, video, configurable compression, multiple images and cropping

entities. encode & decode HTML & XML entities with ease & speed

react-native-image-zoom. react native image pan and zoom

progress-view. ProgressView Component for react-native iOS/macOS/Windows

typer. Typeskill, the Operational-Transform Based (React) Native Rich Text Library.

react-native-render-html. iOS/Android pure javascript react-native component that renders your HTML into 100% native views

react-native-checkbox. Checkbox component for React Native

hooks. React Native APIs turned into React Hooks for use in functional React components

react-native-image-colors. Fetch prominent colors from an image.

react-native-color-thief. A react-native api of ColorThief

color-thief. Grab the color palette from an image using just Javascript. Works in the browser and in Node.

vcard3. vCard 3.0 iOS compliant

unorm. JavaScript Unicode 8.0 Normalization - NFC, NFD, NFKC, NFKD.

country-data. Country related data such as ISO codes, currencies etc

react-native-image-viewing. Tiny, purely TS, modal component for viewing images 🏙

photo-viewer. A photo picture viewer for React Native

iconv-lite. Convert character encodings in pure javascript.

parse-hostname. Parse a hostname into three parts: subdomain, domain and public suffix

react-native-date-picker. React Native Date Picker is datetime picker for Android and iOS. It includes date, time and datetime picker modes. The datepicker is customizable and is supporting different languages. It's written with native code to achieve the best possible look, feel and performance.

awesome-phonenumber. Google's libphonenumber pre-compiled with the closure compiler

react-native-push-notification. React Native Local and Remote Notifications

react-native-notifee. Moved to https://github.com/invertase/notifee

ios. React Native Push Notification API for iOS.

react-native-voip-push-notification. React Native VoIP Push Notification - Currently iOS only

react-native-sectioned-multi-select. a multi (or single) select component with support for sub categories, search, chips.

react-native-dynamic-search-bar. Medium Article: https://freakycoder.com/react-native-library-dynamic-search-bar-c03fea9fae36

react-native-spotlight-search. A React Native module for iOS that provides Spotlight search functionality.

searchkit. React + Vue Search UI for Elasticsearch & Opensearch. Compatible with Algolia's Instantsearch and Autocomplete components.

graffle. Simple GraphQL Client for JavaScript. Minimal. Extensible. Type Safe. Runs everywhere.

react-navigation-collapsible. An extension of react-navigation that makes your header collapsible.

rough-notation. Create and animate hand-drawn annotations on a web page

react-native-fast-image. 🚩 FastImage, performant React Native image component.

react-native-calendars. React Native Calendar Components 🗓️ 📆

react-native-keyboard-input. Use your own custom input component instead of the system keyboard

react-native-image-viewer. 🚀 tiny & fast lib for react native image viewer pan and zoom

react-native-lightbox. Images etc in Full Screen Lightbox Popovers for React Native

parse5. HTML parsing/serialization toolset for Node.js. WHATWG HTML Living Standard (aka HTML5)-compliant.

react-native-file-viewer. Native file viewer for React Native. Preview any type of file supported by the mobile device.

react-native-video. A <Video /> component for react-native

react-native-pagination. Animated Pagination For React Native's ListView, FlatList, and SectionList

react-native-keyevent. Capture external keyboard keys or remote control button events

react-native-webview. React Native Cross-Platform WebView

recyclerlistview. High performance listview for React Native and web!

react-native-examples-and-tutorials. An index of React Native examples and tutorials by Handlebar Labs.

react-native-inappbrowser. 📱InAppBrowser for React Native (Android & iOS) 🤘

DraggableSortableGridLibrary. A Sample React Native Library for Draggable Sortable Grid , Performs operations like re ordering grid items, deleting grid items ,merging grid items(similar to launcher animation)

react-native-draggable-grid. A draggable and sortable grid of react-native

react-native-drag-sort. 🔥🔥🔥Drag and drop sort control for react-native

school. A new React Native app every 2 weeks. With tutorial :)

apollo-client. The industry-leading GraphQL client for TypeScript, JavaScript, React, Vue, Angular, and more. Apollo Client delivers powerful caching, intuitive APIs, and comprehensive developer tools to accelerate your app development.

react-native-screens. Native navigation primitives for your React Native app.

apollo-server. 🌍  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.

react-native-appearance. Access operating system appearance information (currently only light/dark mode) on iOS, Android, and web

react-native-dark-mode. Detect dark mode in React Native

zacs. Zero Abstraction Cost Styling ⚡️👨‍🎨 (for React DOM & React Native)

react-native-typography. Pixel–perfect, native–looking typographic styles for React Native ✒️

react-native-today-widget. iOS Today Widget in React Native

react-native-gesture-handler. Declarative API exposing platform native touch and gesture system to React Native.

rnn-starter. 🤹 React Native Starter - Powered by cli-rn, React Native Navigation, Expo Modules, RNN Screens, RN UI lib, MMKV, Mobx, Reanimated 2, Dark Mode, Splash Screen, Localization, Notifications, Permissions, and much more.

Perfect. Server-side Swift. The Perfect core toolset and framework for Swift Developers. (For mobile back-end development, website and API development, and more…)

awesome-wasm. 😎 Curated list of awesome things regarding the WebAssembly (wasm) ecosystem.

gutenberg-mobile. Mobile version of Gutenberg - native iOS and Android

gutenberg. The Block Editor project for WordPress and beyond. Plugin is available from the official repository.

simplebar. Custom scrollbars vanilla javascript library with native scroll, done simple, lightweight, easy to use and cross-browser.

prism. Lightweight, robust, elegant syntax highlighting.

schema-dts. JSON-LD TypeScript types for Schema.org vocabulary

gqless. a GraphQL client without queries

tabler-icons. A set of over 6000 free MIT-licensed high-quality SVG icons for you to use in your web projects.

WebRTC-Experiment. WebRTC, WebRTC and WebRTC. Everything here is all about WebRTC!!

twilio-video-app-ios. A collaboration application built with the Twilio Video iOS SDK

twilio-video-app-react. A collaboration application built with the twilio-video.js SDK and React.js

react-fiber-architecture. A description of React's new core algorithm, React Fiber

PapaParse. Fast and powerful CSV (delimited text) parser that gracefully handles large files and malformed input

fast-csv. CSV parser and formatter for node

lightweight-charts. Performant financial charts built with HTML5 canvas

click_that_hood. A game where users must identify a city's neighborhoods as fast as possible

react-leaflet. React components for Leaflet maps

Leaflet. 🍃 JavaScript library for mobile-friendly interactive maps 🇺🇦

czi-prosemirror. Rich Text Editor built with React and ProseMirror

panolens.js. Javascript panorama viewer based on Three.js

parcel. The zero configuration build tool for the web. 📦🚀

postcss-nested. PostCSS plugin to unwrap nested rules like how Sass does it.

pagedjs. Display paginated content in the browser and generate print books using web technology

sharedb. Realtime database backend based on Operational Transformation (OT)

urql. The highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow.

dante2. A complete rewrite of dante editor in draft-js

Dante. Just another Medium wysiwyg editor clone

roosterjs. roosterjs is a framework-independent javascript rich text editor.

pwa-asset-generator. Automates PWA asset generation and image declaration. Automatically generates icon and splash screen images, favicons and mstile images. Updates manifest.json and index.html files with the generated images according to Web App Manifest specs and Apple Human Interface guidelines.

deno. A modern runtime for JavaScript and TypeScript.

next-offline. make your Next.js application work offline using service workers via Google's workbox

postcss. Transforming styles with JS plugins

miragejs. A client-side server to build, test and share your JavaScript app

get-orientation. Get orientation from EXIF of image file. Supports both Browser and Node.js

exifer. A lightweight Exif meta-data decipher.

metro. 🚇 The JavaScript bundler for React Native

react-use. React Hooks — 👍

tailwindcss. A utility-first CSS framework for rapid UI development.

react-popper. 🍿⚛Official React library to use Popper, the positioning library

driver.js. A lightweight, dependency-free JavaScript library for guiding user focus across the page.

tippyjs. Tooltip, popover, dropdown, and menu library

floating-ui. A JavaScript library to position floating elements and create interactions for them.

uppy. The next open source file uploader for web browsers :dog:

nano-neuron. 🤖 NanoNeuron is 7 simple JavaScript functions that will give you a feeling of how machines can actually "learn"

gatsby. React-based framework with performance, scalability, and security built in.

extensions. Source code for official Firebase extensions

yarn-deduplicate. Deduplication tool for yarn.lock files

fingerprintjs. The most advanced free and open-source browser fingerprinting library

country-data. Country related data such as ISO codes, currencies etc

react-calendar. Ultimate calendar for your React app.

lozad.js. 🔥 Highly performant, light ~1kb and configurable lazy loader in pure JS with no dependencies for responsive images, iframes and more

title. A service for capitalizing your title properly

class-validator-jsonschema. Convert class-validator-decorated classes into JSON schema

franc. Natural language detection

iso-639-1. ISO-639-1 codes

retext-keywords. plugin to extract keywords and key-phrases

firebase-functions. Firebase SDK for Cloud Functions

blocks. A JSX-based page builder for creating beautiful websites without writing code

expjson. Super lightweight, fast, and optimized evaluate-able and compilable expressions in JSON written in TypeScript

fast-rbac. Fast RBAC implementation for node.js and browsers.

Cookbook. The Data Engineering Cookbook

Babylon.js. Babylon.js is a powerful, beautiful, simple, and open game and rendering engine packed into a friendly JavaScript framework.

rushstack. Monorepo for tools developed by the Rush Stack community

scroll-snap-carousel. Carousel based on CSS Scroll Snap functionality

swiper. Most modern mobile touch slider with hardware accelerated transitions

slick. the last carousel you'll ever need

lax.js. Simple & lightweight (<4kb gzipped) vanilla JavaScript library to create smooth & beautiful animations when you scroll.

polyfill-service. Automatic polyfill service.