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

An open-source cross-platform alternative to AirDrop

dev tools, env vars, task runner

The first GitHub Copilot, Codeium and ChatGPT Xcode Source Editor Extension

A build system for creating cross-platform styles.

Virtual whiteboard for sketching hand-drawn like diagrams

Easily and accurately profile iOS apps

iOS Roadmap

Version-independent HTTP currency types for Swift

A command-line tool and Xcode Extension for formatting Swift code

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

A private messenger for iOS.

Telegram-iOS

Discussions about projects, technologies, and processes around building large-scale mobile apps

Asynchronous image downloader with cache support as a UIImageView category

📸 Delightful Swift snapshot testing.

A modern approach to Container-Based Dependency Injection for Swift and SwiftUI.

A dependency management library inspired by SwiftUI's "environment."

Curated coding interview preparation materials for busy software engineers

Official iOS app for Mastodon

🧰 Case paths extends the key path hierarchy to enum cases.

Core Image Filter Explorer & Showcase

A simple framework for mobile system design interviews

Streams of values over time

BlackHole is a modern macOS audio loopback driver that allows applications to pass audio to other applications with zero additional latency.

A collection of tools for debugging, diffing, and testing your application's data structures.

Solutions to all the exercises of the Algorithms book by Robert Sedgewick and Kevin Wayne

The best command-line tool to install and switch between multiple versions of Xcode.

Video Editing application for iOS, inspired by Snapseed.