The Concise TypeScript Book: A Concise Guide to Effective Development in TypeScript. Free and Open Source.

An ESLint plugin to apply various a11y rules to JSX templates

Library public API snapshot testing for runtime exports and type declarations.

A Vitest util to get all exported APIs of a package and prevent unintended breaking changes.

Static analysis for GitHub Actions

Universal Icon Library

Beautiful, customizable components built with Base UI and Tailwind CSS.

Ready-to-use foundation components/blocks built on top of shadcn/ui.

Auto import APIs on-demand for Vite, Webpack and Rollup

A collection of plugins to improve your development experience.

🤹 Access thousands of icons as components on-demand universally.

textlint is the pluggable linter for natural language text.

Chrome extension & CLI to let agents control your browser. Runs Playwright snippets in a stateful sandbox. Available as CLI or MCP

Beautiful, Modern & Opinionated Linux

Discover plugins for your build tools

Vite CSP / SRI Plugin for Bun

Automate the setup and configuration of your Windows development environment.

Custom theme for VS Code, Zed, and Shiki projects. Built with Pierre's color scheme.

The definitive tree component for the Web

🐸 Modern monorepo friendly version management + changelog tool

A 'CSS reset' for TypeScript, improving types for common JavaScript API's

Codebase intelligence for TypeScript and JavaScript. Free static layer: unused code, duplication, circular deps, complexity hotspots, architecture boundaries. Optional paid runtime layer: hot-path …

pierre’s open source code

Agentic Solution Developer Kit

AG-UI: the Agent-User Interaction Protocol. Bring Agents into Frontend Applications.

Package for all your JavaScript configuration needs inspired by .Net configuration.

Prompt textarea for the AI era

MacOS inside a Docker container.

Playwright MCP server