Swift benchmark runner with many performance metrics and great CI support

Async Algorithms for Swift

Atomic operations bridged from Clang to Swift

A hacky debugger UI for hackers

Vim - the text editor - for macOS

Fast sorted collections for Swift using in-memory B-trees

The libdispatch Project, (a.k.a. Grand Central Dispatch), for concurrency on multicore hardware

The Foundation Project, providing core utilities, internationalization, and OS independence

The Swift Programming Language

Xcode plugin for Vim keybindings

A graphical client for BTech MUX

Notational Velocity: modeless, mouseless Mac OS X note-taking application

🙃 A delightful community-driven (with 2,400+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python…