Add expert Swift Concurrency guidance to your AI coding tool (Agent Skills open format): safe concurrency, performance optimization, and Swift 6 migration.

Public repository for Agent Skills

⚙️💻 A macOS app that makes it a breeze to manage multiple GitHub Actions runners in ephemeral virtual machines on a single host machine. The benefits are that runners can run in parallel, and each …

Beyond Better with code and docs

The most complete open-source Swift package for interacting with OpenAI's public API.

MacOS SVG rendering and exporting library

Offline, privacy-first grammar checker. Fast, open-source, Rust-powered

iOS/macOS Research Swiss Army Knife

A Logging API for Swift

Utilities for transitioning to Swift Concurrency

Design templates for Android, iOS, macOS, Apple TV (tvOS), Apple Watch (watchOS), Windows, Windows Phone and web favicons.

Robust and type-safe date and time calculations for Swift

Symbolicating macOS/iOS crash reports, easily.

Xcode project linting

Safely access Apple's SF Symbols using static typing

Bidirectional XPC message interception and more. Powered by Frida

Performant and reusable text view component (TextKit 2), with line numbers and more. UITextView / NSTextView replacement.

An editor for macOS

Example macros for the Swift macros effort

A free software implementation of Symantec's VIP Access application and protocol

Automatic CloudKit synchronization

A toolkit for SQLite databases, with a focus on application development

macOS and Linux VMs on Apple Silicon to use in CI and other automations

Lightweight, flexible HTTP server framework written in Swift

GUI to view Elon Musk's Texts

✨ A magical persistence library (and so much more) for state-driven iOS and Mac apps ✨

Swift library to more easily test async code

A lezer-integrated Markdown parser