⛄ Possibly the smallest compiler ever

🐠 Babel is a compiler for writing next generation JavaScript.

The semver parser for node (the one npm uses)

A low-level build system, used by Xcode and the Swift Package Manager

Straightforward, type-safe argument parsing for Swift

Low-level system calls and types for Swift

The Package Manager for the Swift Programming Language

Contains common infrastructural code for both SwiftPM and llbuild.

A set of Swift libraries for parsing, inspecting, generating, and transforming Swift source code.

GitHub’s official command line tool

The open-source repo for docs.github.com

An Apple II emulator in JavaScript

An Apple II emulator originally written in Javascript, now being converted to TypeScript

Multicast DNS client for ruby! YAY!

This maintains proposals for changes and user-visible enhancements to the Swift Programming Language.

The Swift Programming Language

Semantic highlighting for Xcode.

A tool that compiles & validates filters

This repository is currently only used for issue tracking for www.regex101.com

Node.js JavaScript runtime ✨🐢🚀✨

Legacy mirror of Darwin Kernel. Replaced by https://github.com/apple-oss-distributions/xnu

🚀 Fast prime number generator

A file and module loader for JavaScript

Applesoft BASIC in JavaScript