Open source. Open possibilities.

Nx is a monorepo platform for TypeScript and polyglot codebases: a Rust-built, TypeScript-extensible core that caches what did not change, runs only affected tasks, and adds plugins plus an integrated, self-healing CI.

uni-app is a cross-platform frontend framework by DCloud based on Vue.js, allowing one codebase to deploy to iOS, Android, HarmonyOS, Web, and various mini-programs. It includes uni-app and the native-rendering uni-app x.

A collection of 13 browser-based puzzle, arcade and simulation games inspired by mobile game ads, built with Phaser 3 and Three.js. Includes a game hub, PWA offline support, unit/E2E tests and Cloudflare Pages deployment.

A collection of coding articles and snippets designed to help developers improve their skills through practical examples and explanations.

FlashLoanArbitrage is a Node.js CLI bot that monitors ETH/USDC prices across five DeFi platforms and executes flash-loan arbitrage when price spreads reach 0.9% or more, supporting Aave, dYdX, Uniswap V3, and Balancer.

Plyr is a lightweight, accessible and customizable media player for HTML5 video/audio, YouTube and Vimeo, with captions, streaming support, keyboard shortcuts, picture-in-picture and a standardized API.

Nhost is an open-source Firebase alternative offering GraphQL, PostgreSQL, auth, storage, and serverless functions. Supports local dev, self-hosting, and multiple frontends.

HotWax Commerce Fulfillment is a Vue 3 and Ionic PWA used by store and warehouse teams to execute order fulfillment workflows such as picking, packing, shipping, and transfer orders. It connects to HotWax OMS APIs, Solr order queues, Firebase notifications, and printing services.

A 100% Rust reimplementation of PlantUML aiming for behavioral parity with the Java original. Currently supports sequence diagram parsing, SVG rendering, and preprocessor features. Includes language bindings for Java (JNI) and TypeScript (WASM), with Python planned.

English README for FlashLoanArbitrage, a Node.js command-line bot that monitors ETH/USDC prices on five DeFi sources and is documented to trigger a flash-loan arbitrage trade when the spread reaches at least 0.9%.

draw.io is a configurable JavaScript-based client-side editor for general diagramming and whiteboarding.

A high-performance, frontend terminal component for the browser, supporting GPU acceleration, Unicode, and rich terminal features like mouse events and CJK characters.

rrHog is an open-source, self-hosted web analytics and session replay platform built on rrweb, using FastAPI, NATS JetStream, ClickHouse, Postgres, and Next.js for reliable, async ingestion and fast querying.

A 12-week, 24-lesson open-source curriculum from Microsoft Cloud Advocates teaching HTML, CSS, and JavaScript through hands-on projects including terrariums, browser extensions, a space game, and a banking app.

Official LottieFiles web player for Lottie (.json) and dotLottie (.lottie) animations, with a Rust + WASM core, Canvas2D/WebGL2/WebGPU backends, runtime theming, state machines, audio, worker rendering, and React, Vue, Svelte, Solid and Web Component SDKs.

Storybook is a frontend workshop for building, documenting, and testing UI components and pages in isolation. It supports many frameworks and offers addons for accessibility, documentation, and interactive development.

A complete, serverless and distributed load testing platform for production-grade performance testing of APIs and browser-based workflows.

guessit-js is a TypeScript port of Python guessit that extracts metadata (title, year, season, episode, codec, language, etc.) from media filenames. It is 100% compatible with Python guessit 4.4.0, 3.5x faster, and provides a CLI, REST API, and WASM support.

BikeBuddy is a web app for managing your own rides: upload GPX tours from cycling or motorcycling trips, view them as routes on a map, and attach photos. It combines a static front end hosted on GitHub Pages with Azure Functions, Cosmos DB and Blob Storage, provisioned via OpenTofu, and ships with an MIT license.

FlashLoanArbitrage is an Ethereum DeFi bot that scans ETH/USDC prices across five platforms (Chainlink, Uniswap V2, SushiSwap, Curve, Balancer) and executes flash loan arbitrage when price differences exceed 0.9%. Supports Aave, dYdX, Uniswap V3, and Balancer flash loans.