Render OG images and paged PDFs from JSX, HTML, and CSS. No headless browser. Runs on Node.js, Cloudflare Workers, browsers, and Rust.

A terminal-based Markdown browser.

My Lead Toolkit for MRS Staff.

EvilCharts is an open-source chart UI website built with shadcn and Recharts, beautifully designed and handcrafted.

🤖 A module for creating Discord bots using NestJS, based on Discord.js

a chunky monospaced bitmap programming font for old nerds that hate eyestrain

Apache Parquet file writer in JavaScript

A javascript text differencing implementation.

Scan and fix React performance issues

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

✨ AI Spreadsheet for Business

Build Amazon Simple Queue Service (SQS) based applications without the boilerplate

A standard interface for TypeScript schema validation libraries

TypeScript's 1:1 validator, optimized from editor to runtime

🔖 lightweight, efficient Tags input component in Vanilla JS / React / Angular / Vue

A superset of the JSDOM environment for Jest that respects Node.js globals.

Open source tools for Remix (or any framework!)

No Nonsense Neovim Client in Rust

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

Terraform module for scalable GitHub action runners on AWS

🦀 Small exercises to get you used to reading and writing Rust code!

Generate ULIDs (https://github.com/ulid/spec) in Postgres, with options to output in Base58 and/or prefix IDs.

📊 A D3-based reusable chart library

Redefined chart library built with React and D3

Postgres.js - The Fastest full featured PostgreSQL client for Node.js, Deno, Bun and CloudFlare

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

A faster CSV parser in 5KB (min)

A zero-config, fast and small virtual list, grid and masonry component for React, Vue, Solid, Svelte and Angular.