The agent that grows with you

Fast, accurate & comprehensive text measurement & layout

A curated catalogue of awesome agentic AI patterns

A fast, framework-agnostic undo/redo core powered by Mutative JSON Patch

FireBug for designers › Edit any webpage, in any state https://a.nerdy.dev/gimme-visbug

Documentation for itty ecosystem.

A collection of advanced CSS styles to create realistic-looking effects for the faces of Pokemon cards.

Batch rename utility for developers

🐸 Rybbit - open-source and privacy-friendly alternative to Google Analytics that is 10x more intuitive.

WelsonJS - Build a Windows app on the Windows built-in JavaScript engine

Utility package for managing Dark Mode on the web

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

A natural language date parser in Javascript

Terminal JSON viewer & processor

Lightweight JavaScript library that predicts user intent based on mouse movements and keyboard navigation. Perfect for smart prefetching. Also works for mobile!

📹 Record is an open-source web app to record screen and camera directly in your browser | No installation required | No tracking | Fully local

JavaScript animation engine

Seedable random number generator supporting many common distributions.

A typescript package to execute JavaScript and TypeScript code in a webassembly quickjs sandbox

Mastra is the modern TypeScript framework for AI-powered applications and agents.

一个自动提取图片主题色让图片和背景融为一体的工具

Vite plugin for transforming source files with SWC.

Interactive UI for local node modules inspection

Database-Backed Durable TypeScript Workflows

Yet another WebUI for Nginx

⃝ A react null renderer

An inky color scheme for prose and code.

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