Open source. Open possibilities.

BentoPDF is a privacy-focused, client-side PDF toolkit that allows users to manipulate, edit, and convert PDF files directly in the browser without server-side processing.

Open-source AI image, video, audio, and lip sync generation studio with 400+ models. Supports self-hosting and local inference without content filters.

Remotion is a framework for creating videos programmatically using React. It supports agentic, interactive, and code-based workflows, batch rendering, and building video apps. Includes Player, templates, and extensive documentation.

Node.js CLI bot that scans ETH/USDC prices on Chainlink, Uniswap V2, SushiSwap, Curve and Balancer and triggers flash-loan arbitrage through a smart contract when the spread reaches 0.9%. Includes an interactive menu for wallet setup, protocol choice and loan amount.

PyScript is an open source platform that runs Python in the browser using Pyodide (CPython) and MicroPython compiled to WebAssembly. Add a stylesheet and script tag, then write Python in HTML script tags to build rich browser apps on any device.

A curated collection of single-file cheatsheets covering popular programming languages, backend and frontend frameworks, databases, and development tools, with a website directory and open contribution via pull requests.

FingerprintJS is an open-source, client-side browser fingerprinting library that queries browser attributes and computes a hashed visitor identifier. It works in incognito mode and persists even when browser data is purged.

Appsmith is an open-source low-code platform for building admin panels, internal tools and dashboards. It connects to 25+ databases and any API, and can be self-hosted via Docker, Kubernetes or AWS AMI.

ChakraCore is an open-source JavaScript engine with a C API for embedding JavaScript into C or C++ compatible projects. Originally Microsoft's Edge engine, it is now a community project focused on embedded use cases.

A professional front-end starter template for building fast, robust, and adaptable websites or web apps, refined over a decade by a large community.

Flux-Chat is a chat application built with Node.js, Express, ReactJS, Flux, MongoDB, and Gulp. The README covers a demo link, npm-based setup/build/start, gulp watching, deployment, testing with Testem, and configuration files.

Airbnb's widely used JavaScript style guide: pragmatic ES6+ coding conventions, ESLint configs, and sections covering types, functions, classes, naming, testing, and more. Includes companion guides for React and CSS-in-JavaScript.

A free, browser-based database entity relationship diagram (ERD) editor and SQL generator.

Refine Core is an open-source React meta-framework for building CRUD-heavy enterprise apps like admin panels, dashboards and internal tools. It offers a headless architecture with hooks and components for auth, access control, routing, networking, state management and i18n, plus connectors for 15+ backend services.

TW Elements is an MIT-licensed component library for Tailwind CSS, offering 500+ interactive UI components and 117+ design blocks with dark mode support, theming options, and quick installation for personal and commercial use.

A Node.js CLI bot that the README describes as scanning ETH/USDC prices across Chainlink, Uniswap V2, SushiSwap, Curve and Balancer, then triggering flash-loan arbitrage through a smart contract when the spread reaches 0.9%.

A native Windows application that converts text into 3D meshes with real-time extrusion, PBR materials, and dynamic lighting.

OpenUI is a full-stack, renderer-agnostic Generative UI framework built around OpenUI Lang, a compact streaming-first language that lets AI models generate structured UI with up to 67% fewer tokens than JSON.

A dependency-free JavaScript module for slicing decoded audio in the browser, applying fades, and encoding the result as 16-bit PCM WAV.

Aurora is a self-hosted, cookie-free web analytics application. It stores events in PostgreSQL and uses rotating HMAC visitor IDs instead of cookies, localStorage or fingerprinting. The dashboard reports traffic, acquisition, events and revenue, and can expose public read-only analytics.