🐙 Guides, papers, lessons, notebooks and resources for prompt engineering, context engineering, RAG, and AI Agents.

The best ChatGPT that $100 can buy.

Interactive Effect Visualizations

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

Lean 4 programming language and theorem prover

In-browser literate notebooks

Render your MDX code blocks in Astro

A community-driven knowledge base of practical patterns for Effect-TS.

Actor-based state management & orchestration for complex app logic.

Headless CMS for Astro, built with Astro, that provides a user-friendly and configurable dashboard for content management

Simple and elegant component-based UI library

Fastest way to build modern websites

Typography and Opentype default stylesheet

𝙃𝙪𝙜𝙚 collection of Tailwind MIT licensed (free) components, sections and templates 😎

Instant-loading web apps, without effort

A browser-based font editor

A library to manipulate font files from Python.

Read and write OpenType fonts using JavaScript.

The free & open source web-based font editor, made for hobbyists and typeface design beginners.

Playfair is a general purpose Open Source typeface family

Free (libre) font editor for Windows, Mac OS X and GNU+Linux

A collection of ready-to-use components based on Material-UI

Font Development Best Practice documentation

Architecture decision record (ADR) examples for software planning, IT leadership, and template documentation

Build material design interfaces in record time... without stress for devs... 🍺💛

@material-tailwind is an easy-to-use components library for Tailwind CSS and Material Design.

The engine that powers Wakamai Fondue

An extensive math library for JavaScript and Node.js

A plugin for TypeDoc that enables TypeScript API documentation to be generated in Markdown.