André Ruffert

nanotags. TypeScript

prop-for-that. what JS knows, now CSS knows

typescript-tips-everyone-should-know. ✅ A curated collection of practical TypeScript patterns that improve safety, readability, maintainability, and developer experience. 🧠

npmx.dev. a fast, modern browser for the npm registry

form-saver. A web component that stores (and restores) values within the form it wraps

vinext. Vite plugin that reimplements the Next.js API surface — deploy anywhere

css-analyzer. Analytics for CSS

job-queue. TypeScript

device-activity-tracker. A phone number can reveal whether a device is active, in standby or offline (and more). This PoC demonstrates how delivery receipts + RTT timing leak sensitive device-activity patterns. (WhatsApp / Signal)

cursor-effects. Old-school cursor effects for your browser built with modern JavaScript

custom-elements-manifest. A file format for describing custom elements

css-extras. Useful CSS custom functions using the new @​function rule

honox. HonoX - Hono based meta framework

interestfor. A polyfill for the interesttarget attribute

saucer. 🛸 A modern, cross-platform C++ webview library

vento. 🌬 A light and fast template engine for Deno, Node, Bun and browsers

biome. A toolchain for web projects, aimed to provide functionalities to maintain them. Biome offers formatter and linter, usable via CLI and LSP.

prism. Lightweight, robust, elegant syntax highlighting.

cally. Small, feature-rich calendar components

sharp. High performance Node.js image processing, the fastest module to resize JPEG, PNG, WebP, AVIF and TIFF images. Uses the libvips library.

line-numbers. A web component to add line numbers next to various HTML elements

nodejs-testing-best-practices. Beyond the basics of Node.js testing. Including a super-comprehensive best practices list and an example app (April 2025)

pagefind. Static low-bandwidth search at scale

ios-vibrator-pro-max. Bringing the vibrate API for the first time to the web on iOS/macOS Safari

web-features. Exploring how to present Web platform features adoptability

minne. An ultra-light web component framework

melody-auth. A turnkey OAuth & authentication system, designed for both Cloudflare Workers and Node.js

tweetXer. Delete all your Tweets for free

proposal-try-operator. A proposal to bring ergonomic, inline error handling to JavaScript through a new try operator that always returns a Result.

storage. Simple key-value storage API backed by various client storage mechanisms

power-moves. Power moves for powerful people

html. HTML Standard

website. The @vtbag website. ⭐️ Please star to support this work! ⭐️

untyped. Generate types and markdown from a config object.

logo.css. TypeScript

opennextjs-cloudflare. Open Next.js adapter for Cloudflare

shiki. A beautiful yet powerful syntax highlighter

prosemirror. The ProseMirror WYSIWYM editor

color. modern color library for image processing and creative coding (oklab, xyz, p3, rec2020 + more)

tinybase. A reactive data store & sync engine.

ladybird. Truly independent web browser

ai.robots.txt. A list of AI agents and robots to block.

codehike. Build rich content websites with Markdown and React

medusa. The world's most flexible commerce platform.

webauthn-local-client. Browser-only utils for locally managing WebAuthn (passkey) API

libsql. libSQL is a fork of SQLite that is both Open Source, and Open Contributions.

pwa-install. Installation dialog for Progressive Web Application. Provides a more convenient user experience and fixes the lack of native dialogs in some browsers.

minicomp. Web Components made simple

create-color. A tiny (565 B) JavaScript library to generate permanent color from any string, array or object.

coolify. An open-source, self-hostable PaaS alternative to Vercel, Heroku & Netlify that lets you easily deploy static sites, databases, full-stack applications and 280+ one-click services on your own servers.

counterscale. Scalable web analytics you run yourself on Cloudflare

vitest. Next generation testing framework powered by Vite.

glide-data-grid. 🚀 Glide Data Grid is a no compromise, outrageously fast react data grid with rich rendering, first class accessibility, and full TypeScript support.

tauri. Build smaller, faster, and more secure desktop and mobile applications with a web frontend.

howler.js. Javascript audio library for the modern web.

visx. 🐯 visx | visualization components

pocketbase. Open Source realtime backend in 1 file

hono. Web framework built on Web Standards

superjson. Safely serialize JavaScript expressions to a superset of JSON, which includes Dates, BigInts, and more.

table-saw. A small web component for responsive <table> elements.

localpilot. Python

env. A utility for verifying environment variables are present

broadcast-channel. :satellite: BroadcastChannel to send data between different browser-tabs or nodejs-processes :satellite: + LeaderElection over the channels https://pubkey.github.io/broadcast-channel/

kuma-ui. 🐻‍❄️ A Headless, Utility-First, and Zero-Runtime UI Component Library ✨

node-emoji. 💖 simple emoji support for node.js projects

panda. 🐼 Universal, Type-Safe, CSS-in-JS Framework for Design Systems ⚡️

ark. Unstyled, accessible UI components for your design System. Works in React, Vue, Solid, and Svelte.

bright. React Server Component for syntax highlighting

webperf-snippets. ⚡️ 💾 Web Performance Snippets

partykit. PartyKit simplifies developing multiplayer applications

VirtualBuddy. Virtualize macOS 12 and later on Apple Silicon, VirtualBuddy is a virtual machine GUI for macOS M1, M2, M3, M4

tremor-npm. React components to build charts and dashboards

react-email. 💌 Build and send emails using React

cva. Class Variance Authority

promise. Abortable and Resolvable Promises.

spoof. Easily spoof your MAC address in macOS, Windows, & Linux!

trigger.dev. Trigger.dev – build and deploy fully‑managed AI agents and workflows

tamagui. Style React fast with 100% parity on React Native, an optional UI kit, and optimizing compiler.

dub. The modern link attribution platform. Loved by world-class marketing teams like Framer, Perplexity, Superhuman, Twilio, Buffer and more.

hanko. Modern authentication, on your terms. Open source alternative to Auth0, Clerk, WorkOS, Stytch.

esm-env. JavaScript

vendure. Open-source headless commerce platform built with TypeScript, NestJS, React, and GraphQL

tweets. janky twitter replacement.

error-causes. Simple error handling based on standard JavaScript error cause.

liveblocks. Realtime infrastructure for multiplayer apps and agents

ballerine. Open-source infrastructure and data orchestration platform for risk decisioning

shoelace. Shoelace is now Web Awesome. Come see what’s new!

satori. Enlightened library to convert HTML and CSS to SVG

cmdk. Fast, unstyled command menu React component.

webc. Single File Web Components

penpot. Penpot: The open-source design platform for Product teams that need scalable collaboration.

signals. Manage state with style in every framework

node-lru-cache. A fast cache that automatically deletes the least recently used items

fresh. The framework so simple, you already know it.

react-testing-library. 🐐 Simple and complete React DOM testing utilities that encourage good testing practices.

react-native-actions-sheet. A Cross Platform(Android, iOS & Web) ActionSheet with a flexible api, native performance for react native. Create anything you want inside ActionSheet.

jest-preview. Debug your Jest tests. Effortlessly.🛠🖼

patch-package. Fix broken node modules instantly 🏃🏽‍♀️💨

WebPageTest.github-action. Automatically test code changes in WebPageTest and enforce performance budgets

nextra. Simple, powerful and flexible site generation framework with everything you love from Next.js.

lexical. Lexical is an extensible text editor framework that provides excellent reliability, accessibility and performance.

cli. 🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

react-native-testing-library. 🦉 Simple and complete React Native testing utilities that encourage good testing practices.

msw. Industry standard API mocking for JavaScript.

react-native-device-info. Device Information for React Native iOS and Android

react-native-owl. Visual regression testing library for React Native that enables developers to introduce visual regression tests to their apps.

release-drafter. Drafts your next release notes as pull requests are merged into master.

Rectangle. Move and resize windows on macOS with keyboard shortcuts and snap areas

mermaid. Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

model-viewer. Easily display interactive 3D models on the web and in AR!

posthog. 🦔 PostHog is an all-in-one developer platform for building successful products. We offer product analytics, web analytics, session replay, error tracking, feature flags, experimentation, surveys, data warehouse, a CDP, and an AI product assistant to help debug your code, ship features faster, and keep all your usage and customer data in one stack.

buildcache-action. GitHub Action to install and configure buildcache for faster compilation

cypress. Fast, easy and reliable testing for anything that runs in a browser.

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

lottie-react-native. Lottie wrapper for React Native.

start-server-and-test. Starts server, waits for URL, then runs test command; when the tests end, shuts down server

pwa-install. Web Component from the PWABuilder team that brings an awesome "install" experience to your Progressive Web App!

OpenEmu. 🕹 Retro video game emulation for macOS

misbrands. The world's most hated IT stickers

fuite. A tool for finding memory leaks in web apps

ambiguous-png-packer. Craft PNG files that appear completely different in Apple software [NOW PATCHED]

turborepo. Build system optimized for JavaScript and TypeScript, written in Rust

vscodium. binary releases of VS Code without MS branding/telemetry/licensing

bluesnooze. Sleeping Mac = Bluetooth off

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

SVGcode. Convert color bitmap images to color SVG vector images.

react-philosophies. 🧘 Things I think about when I write React code 🧘

perfect-freehand. Draw perfect pressure-sensitive freehand lines.

tasuku. ✅ タスク — The minimal task visualizer for Node.js

cal.diy. Scheduling infrastructure for absolutely everyone.

git-cliff. A highly customizable Changelog Generator that follows Conventional Commit specifications ⛰️

solid. A declarative, efficient, and flexible JavaScript library for building user interfaces.

giant. A Component Framework with SSR for Rust & Nodejs. Inspired by React, Tailwind, ShadCN, & Next.js

zx. A tool for writing better scripts

ocean. Web component server-side rendering

GSAP. GSAP (GreenSock Animation Platform), a JavaScript animation library for the modern web

blurhash. A very compact representation of a placeholder for an image.

marko. A declarative, HTML-based language that makes building web apps fun

astro. The web framework for content-driven websites. ⭐️ Star to support our work!

elm-charts. Create SVG charts in Elm.

forem. For empowering community 🌱

squoosh. Make images smaller using best-in-class codecs, right in the browser.

nextjs-subscription-payments. Clone, deploy, and fully customize a SaaS subscription application with Next.js.

scale. Scale is the digital design system for Telekom products and experiences.

jotai. 👻 Primitive and flexible state management for React

slidev. Presentation Slides for Developers

modern-css-reset. A bare-bones CSS reset for modern web development.

fast. The adaptive interface system for modern web experiences.

triangula. Generate high-quality triangulated and polygonal art from images.

snapdrop. A Progressive Web App for local file sharing

xstate-catalogue. Professionally designed, interactive state machines

media-chrome. Custom elements (web components) for making audio and video player controls that look great in your website or app.

engineer-manager. A list of engineering manager resource links.

esbuild. An extremely fast bundler for the web

zsh-autosuggestions. Fish-like autosuggestions for zsh

cli. CLI to run a octoherd scripts on one or multiple repositories

vite. Next generation frontend tooling. It's fast!

eleventy-high-performance-blog. A high performance blog template for the 11ty static site generator.

remotion. 🎥 Make videos programmatically with React

three-elements. Web Components-powered custom HTML elements for building Three.js-powered games and interactive experiences. 🎉

image. Utility to perform build-time image transformations.

change-case. Convert strings between camelCase, PascalCase, Capital Case, snake_case and more

content. The official source for MDN Web Docs content. Home to over 14,000 pages of documentation about HTML, CSS, JS, HTTP, Web APIs, and more.

peerjs-server. Server for PeerJS

peerjs. Simple peer-to-peer with WebRTC.

watched-box. JavaScript

wasp. The batteries-included full-stack framework for the AI era. Develop JS/TS web apps (React, Node.js, and Prisma) using declarative code that abstracts away complex full-stack features like auth, background jobs, RPC, email sending, end-to-end type safety, single-command deployment, and more.

microsite. Do more with less JavaScript. Microsite is a smarter, performance-obsessed static site generator powered by Preact and Snowpack.

upptime. ⬆️ GitHub Actions uptime monitor & status page by @AnandChowdhary

shellac. Coat your shell scripts in something a bit more beautiful

twin.macro. 🦹‍♂️ Twin blends the magic of Tailwind with the flexibility of css-in-js (emotion, styled-components, solid-styled-components, stitches and goober) at build time.

wmr. 👩‍🚀 The tiny all-in-one development tool for modern web apps.

plaiceholder. Beautiful image placeholders, without the hassle.

standard-version. :trophy: Automate versioning and CHANGELOG generation, with semver.org and conventionalcommits.org

decent-patterns. Really simple SVG Patterns using single unicode characters.

ghat. 🛕 Reuse GitHub Actions workflows across repositories

react-native-web. Cross-platform React UI packages

react-use. React Hooks — 👍

mitosis. Write components once, run everywhere. Compiles to React, Vue, Qwik, Solid, Angular, Svelte, and more.

valtio. 🧙 Valtio makes proxy-state simple for React and Vanilla

windups. A unique typewriter effect library for React.

hoppscotch. Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

commerce. Next.js Commerce

micromark. small, safe, and great commonmark (optionally gfm, mdx) compliant markdown parser

use-shopping-cart. Shopping cart state and logic for Stripe

next-on-netlify. Build and deploy Next.js applications with Server-Side Rendering on Netlify!

r3f-game-demo. A demo on how to do a simple tile-based game with React and react-three-fiber

strapi. 🚀 Strapi is the leading open-source headless CMS. It’s 100% JavaScript/TypeScript, fully customizable, and developer-first.

super-linter. Combination of multiple linters to run as a GitHub Action or standalone

release-please. generate release PRs based on the conventionalcommits.org spec

ccss. 🔡🔁🎨 CrypticCSS - A companion on the journey to your next CSS-in-JS and/or design system solution.

grant. OAuth Proxy

react-dates. An easily internationalizable, mobile-friendly datepicker library for the web

how-to-compare-job-offers.

react-three-flex. 💪📦 Flexbox for react-three-fiber

purgecss. Remove unused CSS

oceanwind. Compiles tailwind shorthand into css at runtime. Succeeded by Twind.

awesome-actions. A curated list of awesome actions to use on GitHub

code-server. VS Code in the browser

terser. 🗜 JavaScript parser, mangler and compressor toolkit for ES6+