Guilherme Rambo

The unofficial WWDC app for macOS

Virtualize macOS 12 and later on Apple Silicon, VirtualBuddy is a virtual machine GUI for macOS M1, M2, M3, M4

Generates a research variant of the iOS SDK for use with SRD development

A set of Xcode templates for SRD development

Install apps in research cryptexes

An app that lets you open .car files and browse/extract their images.

Put Overcast on your Mac's menu bar

Make cute emoji videos with unlimited duration and share anywhere (iPhone X, XS and XS Max only!)

MultipeerConnectivity + Codable = ❤️

The unofficial Apple Events app for macOS

Control the listening mode on your AirPods Pro in the Touch Bar or Menu Bar.

Switch your Mac's system theme based on the ambient light intensity.

Create Xcode playgrounds from your menu bar

Sample code for recording system audio on macOS 14.4+

Keep track of Apple's developer and consumer system statuses right in your menu bar.

An encoder and decoder for CKRecord

A simple, fun game for the MacBook Pro's Touch Bar

Create custom appearances to customize your app's look with NSAppearance

Fight Flash Fraud: test your SD cards to see if they're genuine and in good working order

Simple SwiftUI MeshGradient editor

Handy tools for SwiftUI previews on macOS.

Simple command-line utility for performing OCR using Apple's Vision framework

A simple note taking app for macOS and iOS which uses Realm and CloudKit for syncing

Open-source ProKit clone

An experiment with the private VisualPairing framework used for automatic iOS and watchOS device pairing

Framework implementing a macOS-style emoji picker for iPadOS.

AirDrop-like functionality using MultipeerConnectivity

A NSWindow subclass with a beautiful glass-like title bar

A sample app used in many of my apps and workshops.

Automate the process of creating, uploading and notarizing the DMG of a Mac app.

Custom iOS sheet

iOS 13 app that shows the user's wallpaper as its background.

An app that lets you view .caar files

If you're a fan of fans, this app is for you.

Demonstrates a custom NSWindowController that can be attached to a NSStatusItem on macOS.

Simple card stack implemented with SwiftUI

A NSWindow subclass that makes auto hiding and showing the title bar (à la QuickTime X) a lot easier, and allows for a custom title bar drawing block.

Sample code for my article on CloudKit.

An easy to use interface for picture-in-picture on macOS 10.12 and later

An open source implementation of the Google Cast SDK for macOS

Apple ExtensionFoundation/ExtensionKit sample app

NSWindow subclass with support to custom titlebar height, background color and title color

Enable "real dark mode" on OS X / macOS

Use the Apple Remote to control your OS X apps.

Sample project for my article on bundles

PAM plugin module that allows the Apple Watch to be used for authentication

Launch iOS applications from the command line (jailbreak only)

Simple navigation controller for OS X apps.

A simple replica of the Apple Watch Breathe app animation written in SwiftUI.

[ABANDONED] WWDC app for the new Apple TV

Companion Playground for my talk at dotSwift 2020

Face ID detection animation as a screensaver

A plugin for Publish that let's you easily embed tweets in your posts.

A simple macOS app to preview animations created with Facebook's keyframes framework

A custom NSStoryboardSegue to make a nice iOS-like push transition.

An experiment showing how Finder might look like on the next OSX.

A Swift playground implementing some simple fluid interactions.

Test your app with the new iPhone status bar

Demo app using Apple's private UXKit framework

Randomly generate the next big thing ® on iOS app development

Resources from my talk at try! Swift Tokyo 2025

reimplementation of NSProgressIndicator with some customization support

The official website for the unofficial WWDC app for macOS 🤓 ❤️

Publish plugin that lets you have both light and dark mode variants for images on your site 😎

AppKit macOS app with a WidgetKit widget that can be configured with dynamic options from an intents extension

Sample app for my talk at the CocoaHeads Conference

NSWindow with vibrant titlebar

Safari-like status bar for macOS apps

Sample for my article on writing command line interfaces for iOS apps.

[ABANDONED] QuickTime-like video player based on libvlc

A collection of CloudKit code samples

Remove annoying badges from System Preferences on macOS.

Simple flight information tracker for OS X.

NSWindow subclass that allows you to set a custom tint color for the titlebar

A sample project showing how a document-based app can be created with SwiftUI.

A collection of utilities I use in pretty much all of my apps

Mac menu bar app to quickly toggle mono/stereo audio

A document-based app in Swift Playgrounds 4 for iPad

Simple debugger for NSVisualEffectView

Demonstrates how to dynamically enable Liquid Glass in an iOS app at runtime

Example of custom HDR UI effect in iOS 26

Sample code for my article on using Core Animation Archives

Simple code signature verification for macOS apps

Simple command-line tool for macOS that encodes videos in a format suitable for publishing to Mastodon

Sample code for the Fast & Fluid talk

Code for my talk on CoreAnimation Archives

ChartView made in SwiftUI

An Xcode plug-in designed to prevent accidental app distribution through an unsafe version of Xcode

CoreFollowUp phishing attack on macOS

Cross-process notification center for iOS, WatchOS and OS X

WWDC app for Windows 10

A plugin to make some Adobe Creative Cloud apps support the native fullscreen mode on OS X.

Projeto exemplo da minha palestra sobre desenvolvimento pra Mac

A static site generator for Swift developers

List of useful Quick Look plugins for developers

a hobby operating system written in C

💻 A fast and flexible O(n) difference algorithm framework for Swift collection.

Handy helper to quickly restart stuff on OS X

A macOS app to control the Xcode Simulator.

iOS research cryptex app installer

launchctl as a Swift package

Convert an iOS Simulator app bundle to an iOSMac (Marzipan) one (Unsupported & undocumented, WIP)

Support for running OpenRouter models via Apple's FoundationModels API on iOS 27

Swift community driven package for OpenAI public API

Cross-platform WebSocket client implementation based on Swift NIO

A nicer way to handle files & folders in Swift

⌨️ Add user-customizable global keyboard shortcuts (hotkeys) to your macOS app in minutes

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

Run Stable Diffusion on Mac natively

Sample of using xcconfig to inject environment variable values into app

Advanced color manipulation for iOS.

Dominant color extraction for iOS and Python

Demo app for GRStatusBar

Objective-C class for finding coordinates of a location using Google Maps

On-device shell command generator for macOS Tahoe. Uses Apple's 3B model with dynamic few-shot retrieval from 21k tldr examples. 68% accuracy, <1s, no cloud.

Protect your SSH keys with your Mac's Secure Enclave

RSS reader for macOS and iOS.

reader mode view for SwiftUI, based on the feeeed app

macOS app to visualize Pi-hole information

Read/write EXIF and other metadata

tvOS Web Browser sample project (Private API)

RSA public/private key encryption in Swift

🍻 A CLI workflow for the administration of macOS applications distributed as binaries

A collection of Swift Property Wrappers (formerly "Property Delegates")

Have you ever wonder how you could make Origami like editor in 1h ?

A simple way of storing app assets (mainly images) in a compressed file

OS X App to edit compiled .car files

Swift package for performing TSS personalization requests

A QEMU emulator for legacy Apple devices

A natural language date parser in Swift (ported from chrono.js)

Real-time map view clustering for Realm

Utilities for working with Swift Concurrency

Easily run shell commands from a Swift script or command line tool

JavaScript + the Cocoa frameworks, and then ObjC brackets show up to party as well.

A fast and flexible Markdown parser written in Swift.

A library for converting Adobe AE shape based animations to a data format and playing it back on Android and iOS devices.

Contains the original sketch projects for the various UI elements in GRProKit

A modern download manager based on NSURLSession to deal with asynchronous downloading, management and persistence of multiple files.

An implementation of the colour well seen in Pages 5, Numbers 3 and Keynote 6 (iWork).

A Navigation Controller which supports animated hiding of the Navigation Bar

WKZombie is a Swift library for iOS/OSX to navigate within websites and collect data without the need of User Interface or API, also known as Headless browser. In addition, it can be used to run automated tests or manipulate websites using Javascript.

A fast and clever hex editor for macOS

Frida core library intended for static linking into bindings

Swift package that implements reading and writing of Apple trust caches

Animation engine for gesturally-driven user interfaces, animations, and interactions on iOS, macOS, and tvOS.

A simple store for all your basic needs, and a foundational data layer primitive for iOS and Mac apps. 🐱

A library allowing to download single files from a remote zip archive

A small C library capable of parsing and altering Mach-O binaries

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

TextMate is a graphical text editor for OS X 10.9+

Shell script for creating OSX icon sets

A macOS app for submitting radars

Sample cocoa app with support to javascript plugins, can be used as a starting point

A drop-in, low-overhead monitoring web dashboard for a linux machine.

Cross-platform instrumentation and introspection library written in C

A code editor view written in Swift powered by tree-sitter.

Sample project for FB21375029 demonstrating a glass effect bug in macOS 26.2 and 26.3 beta.

SQL powered operating system instrumentation, monitoring, and analytics.

Pure DOOM - Single Header Doom Source Port

Virtual machines for iOS and macOS

SwiftUI code editor view for iOS, visionOS, and macOS

Realm is a mobile database: a replacement for Core Data & SQLite

A comprehensive set of algorithms and datasets for color science with a focus on digital applications written in Swift.

Examples using MLX Swift

A simple todo web app generated using OpenAI Codex

A game where you help a cute otter cross the road

Run embedding models locally in Swift using MLTensor.

A project to create a blazingly fast Swift game engine that is a joy to use 🚀

Swift-based vector database for on-device RAG using MLTensor

Publish your roadmap inside your app and allow users to vote for upcoming features

A fast, lightweight and flexible Swift syntax highlighter for blogs, tools and fun!

CATransform3D manipulation made easy.

Event-driven network application framework for high performance protocol servers & clients, non-blocking.

💧 A server-side Swift HTTP web framework.

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

A set of utilities for more pleasant work with ExtensionKit

Introspect underlying UIKit/AppKit components from SwiftUI

Frida Swift bindings

A DSL for writing type-safe HTML, XML and RSS in Swift.

No description.

Media Tags Reader (ID3, MP4, FLAC)

O blog oficial do equinociOS

A small C library capable of parsing and altering Mach-O binaries

An experiment using the peerflix module of nodejs and connecting a bunch of APIs.

MovieDB API NodeJS Library

Icon Ping - visual ping to 4.2.2.2

Collaborative development of openiBoot for the iDroid Project

No description.

Static data used by the WWDC app for macOS

Data used by Shakedown.app

Demo project that demonstrates an bug when attempting to use ShazamKit on an iOS app in the background (FB15255903)

Cast Mac windows to visionOS

📝 Performant plain text editor for iOS with syntax highlighting, line numbers, invisible characters and much more.

Swift library for working with ranges types: NSRange, IndexSet, and String.Index

A TextKit 2 `NSTextView` subclass built specifically to work with source code

yeetd is a lil' daemon that watches for specific CPU-intensive Simulator processes and stops them in their tracks!

Localization Files for Callsheet

No description.

random dissectors

Xterm/VT100 Terminal emulator in Swift