Test drive programming fonts online: the definitive list of fonts for code.

Collection of handy online tools for developers, with great UX.

Explain complex systems using visuals and simple terms. Help you prepare for system design interviews.

Beautifully designed components that you can copy and paste into your apps. Accessible. Customizable. Open Source.

💂‍♂️ zsh plugin adds prompt reminders for git user.email

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

A small, fast, JavaScript-based JavaScript parser

A beginner friendly porcelain for git

Animation engine for explanatory math videos

MySQL/MariaDB database management for macOS

The next-gen web framework.

A fully featured React components library

A completely customizable framework for building rich text editors. (Currently in beta.)

A terminal for the web

A React component for reading Kodemo documents.

🦖 The browser prompter for macOS

MergeStat enables anyone to ask questions about the history and contents of source code.

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

Next generation notepad-based calculator, built with extendibility and privacy in mind.

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

rustlings but for golang this time

TypeScript Compiler API wrapper for static analysis and programmatic code changes.

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy.

Build and compose maintainable regular expressions in JavaScript.

Robust Speech Recognition via Large-Scale Weak Supervision

Check TypeScript type definitions

Second edition of F1 Calendar 🏎📅

F1 statistics and data-viz

🚀 Fast and 100% API compatible postcss replacer, built in Rust

PRQL is a modern language for transforming data — a simple, powerful, pipelined SQL replacement