Gabriel Handford

clark-browser. Fully stealth chromium for AI agents. Powering Clark agent. https://www.clarkchat.com

awesome-design-skills. List of 67 awesome DESIGN.md and SKILL.md design skill files for agentic tools like Claude Design, Google Stitch, Codex, Cursor, and other AI tools

smol-audio. Practical, Colab-friendly notebooks for fine-tuning and running audio AI models

cua. Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows).

swiftui-atom-properties. ⚛️ Atomic approach state management and dependency injection for SwiftUI

liquid-glass. Copy-paste Liquid Glass shader with SVG

extractor. Use LLMs to robustly extract web data

FoundationChat. A chat app with iOS 26 Foundation Models

opengap. A framework-agnostic, git-native standard for defining AI agents

swift-skills. Swift

agent-in-a-browser. Agent that uses code execution via a wasm mcp server in rust that allows dynamic TypeScript execution

llmfit. Hundreds of models & providers. One command to find what runs on your hardware.

vibes. A simple mobile-focused chat app to talk to an agent via the ACP protocol

swift-service. A lightweight, zero-dependency, type-safe dependency injection framework for modern Swift.

data_engineering_book. 大模型数据工程：架构、算法及项目实战

ralph. A minimal, file‑based agent loop for autonomous coding.

qmd. mini cli search engine for your docs, knowledge bases, meeting notes, whatever. Tracking current sota approaches while being all local

skills. Skills Catalog for Codex

skills. Public repository for Agent Skills

swiftui-list-support. A comprehensive collection of essential components for building advanced list-based UIs in SwiftU

firecrawl. The API to search, scrape, and interact with the web at scale. 🔥

XcodeBuildMCP-macOS-Template. A scaffold template for macOS app projects

swift-sdk. The official Swift SDK for Model Context Protocol servers and clients.

OHHTTPStubs. Stub your network requests easily! Test your apps with fake network data and custom response time, response code and headers!

Embassy. Super lightweight async HTTP server library in pure Swift runs in iOS / MacOS / Linux

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

swift-play-experimental. Swift

HandySwiftUI. Handy SwiftUI features that didn't make it into SwiftUI (yet).

swift-testing-expectation. Create an asynchronous expectation in Swift Testing

AIProxySwift. Swift clients for AI providers. You can make requests straight to the provider or proxied through our abuse protection backend

swift-openai-responses. Hand-crafted Swift SDK for the OpenAI Responses API.

blueberryai-app. The Open Source AI-Powered Code Editor. A fork of VSCode and Continue and PearAI

whisper.cpp. Port of OpenAI's Whisper model in C/C++

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

shale. Shale is a Ruby object mapper and serializer for JSON, YAML, TOML, CSV and XML. It allows you to parse JSON, YAML, TOML, CSV and XML data and convert it into Ruby data structures, as well as serialize data structures into JSON, YAML, TOML, CSV or XML.

active_emoji. A collection of emoji aliases for core Ruby methods

chewy. High-level Elasticsearch Ruby framework based on the official elasticsearch-ruby client

karabiner-elements-terminal-navigation. This is apparently no longer hosted on the karabiner elements site so I'm uploading it here.

pullstate. Simple state stores using immer and React hooks - re-use parts of your state by pulling it anywhere you like!

protopatch. protoc-gen-go patch utility

awesome-webauthn. 🔐 A curated list of awesome WebAuthn and Passkey resources

pwnat. The only tool/technique to punch holes through firewalls/NATs where multiple clients & server can be behind separate NATs without any 3rd party involvement. Pwnat is a newly developed technique, exploiting a property of NAT translation tables, with no 3rd party, port forwarding, DMZ, DNS, router admin requirements, STUN/TURN/UPnP/ICE, or spoofing.

keys. Cryptographic key management is hard

ladon. A SDK for access control policies: authorization for the microservice and IoT age. Inspired by AWS IAM policies. Written for Go.

featurebase. A crazy fast analytical database, built on bitmaps. Perfect for ML applications. Learn more at: http://docs.featurebase.com/. Start a Docker instance: https://hub.docker.com/r/featurebasedb/featurebase

SC4. SC4 - Strong Crypto for Mere Mortals

MMWormhole. Message passing between iOS apps and extensions.

Butter. A big shot of epicness for AppKit. It's time to put a jetpack on your tricycle.

FXForms. [DEPRECATED]

ZFDragableModalTransition. Custom animation transition for present modal view controller

iCloudDocumentSync. Integrate iCloud into iOS document projects with one-line code methods. Sync, upload, manage, and remove documents from iCloud quickly and easily. Helps to make iCloud "just work" for developers too.

noise_spec. Noise Specification

pop. An extensible iOS and OS X animation library, useful for physics-based interactions.

YapDatabase. YapDB is a collection/key/value store with a plugin architecture. It's built atop sqlite, for Swift & objective-c developers.

SWTableViewCell. An easy-to-use UITableViewCell subclass that implements a swippable content view which exposes utility buttons (similar to iOS 7 Mail Application)

RNBlurredSideViewController. RNBlurredSideViewController is a side view controller with a dynamic blurred background effect when swiping similar to the iOS 7 control center.

FRDLivelyButton. Objective-C

Shimmer. An easy way to add a simple, shimmering effect to any view in an iOS app.

ergonomadic. go irc daemon

MRSwipeTableViewCell. Objective-C

DropdownMenu. DropdownMenu is an iOS navigation controller using a Container View, storyboards and segues.

DAPagesContainer. A generic views container with a scrollable top bar

JustType. JustType - The Better Keyboard for iOS

SVBlurView. A simple reimplementation of FXBlurView for iOS 7

MYBlurIntroductionView. A super-charged version of MYIntroductionView for building custom app introductions and tutorials.

DZNPhotoPickerController. A photo search/picker for iOS using popular image providers like 500px, Flickr, Instagram, Giphy, Google & Bing Images

URBMediaFocusViewController. An easy-to-use view controller that animates thumbnail previews of your media to their full size versions with physics similar to Tweetbot 3.

AMSlideMenu2. Sliding Menu for iOS (Left and Right menus). Multiple storyboards and XIBs support.

AMScrollingNavbar. Scrollable UINavigationBar that follows the scrolling of a UIScrollView

YUGLTransition. OpenGL based transition for iOS.

PonyDebugger. Remote network and data debugging for your native iOS app using Chrome Developer Tools

responsive-html-email-template. A free simple responsive HTML email template

jetpants. MySQL toolkit for managing billions of rows and hundreds of database machines

turing-fluid-osx. OSX version of Turing Fluid demo http://cake23.de/turing-fluid.html

fr_public. Farbrausch demo tools 2001-2011

GHGLUtils. OpenGL Utilities for OSX and iOS

PointSpriteShader. Example OS X OpenGL project for displaying variable size point sprites with shaders

QuickDialog. QuickDialog - Quick and easy dialog screens for iOS

FormatterKit. `stringWithFormat:` for the sophisticated hacker set

PSStackedView. open source implementation of Twitter/iPad stacked ui - done right.

iOS-Universal-Framework. An XCode project template to build universal frameworks (arm7, arm7s, and simulator) for iOS / iPhone.

philogl. A WebGL Framework for Data Visualization, Creative Coding and Game Development

JBKinectHacks. A collection of sample projects and code snippets using OpenNI and the Kinect.

depthjs. DepthJS allows any web page to interact with the Microsoft Kinect using Javascript.

IBAForms. A simple iPhone forms library

MACollectionUtilities. Smalltalk-inspired collection utility methods and macros for Cocoa

status-back. For debugging connections

facebook-ios-sdk. Used to integrate the Facebook Platform with your iOS & tvOS apps.

Cinder. Cinder is a community-developed, free and open source library for professional-quality creative coding in C++.

WaxSim. Hack to get the iPhone Simulator to run on the command line

ffmpeg-iphone-build. Build scripts for building ffmpeg on iPhone

libcvfx. A visual effects library for OpenCV

Steer. iOS app for driving a remote controlled car from an iPhone w/ IP camera FPV.

gravit. A gravity simulator

WebGLU. WebGLU is both a set of low-level utilities and a high-level engine for developing WebGL based applications.

BNRPersistence. A set of classes which use Tokyo Cabinet to save and load Objective-C objects

xcode-themes. XCode Themes

json-objc-perf. Basic perf tests for Objective-C JSON frameworks

openFrameworks. openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

Autodatamosh. Perl script that automatically datamoshes MPEG4-encoded AVI videos.

wax. Wax is now being maintained by alibaba

v8-gl. A Toolkit for creating Desktop Hardware Accelerated Graphics with JS.

iphonesim. Command Line Launcher for the iPhone Simulator

GLGestureRecognizer. Simple Objective-C gesture recognizer for use on the iPhone

http-parser. http request/response parser for c

event-clock. A simple UDP clock service, using libevent

mogenerator. Core Data code generation

yajl-objc. Objective-C bindings for YAJL (Yet Another JSON Library) C library

three20. Three20 is an Objective-C library for iPhone developers

doxyclean. A script to convert Doxygen output to resemble Apple's AppKit documentation

gh-unit. DEPRECATED Test Framework for Objective-C

categories. Community driven repo for awesome Objective-C categories

OmniGroup. Source for many of The Omni Group's frameworks

gabriel.github.com.

yajl. A fast streaming JSON parsing library in C.

k7. A standard library for the V8 JavaScript interpreter

shrub. S3 Proxy for Google App Engine

GHKit. Utilities and categories for Objective-C

airake. Rake tasks and generators for Adobe AIR

aqtoolkit. A toolkit consisting of a bunch of generally useful routines and extensions I wrote when putting together other projects.

font-detect-js. Font detection using Javascript and Flash

reia. Ruby-like hybrid OOP/functional programming language for BEAM, the Erlang VM