Tim Andersson

magpie. Multi-AI adversarial PR review tool

codiff. a fast local diff viewer

AnimateText. This library for animating text. Developed with SwiftUI. This library supports iOS/macOS.

Apus. A Swift library for text shaping and font handling

Relay. Essential tools that extend the capabilities of Observation

ImHex. 🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

Pulse. Network logger for Apple platforms

git_bayesect. Bayesian git bisect

delta. A syntax-highlighting pager for git, diff, grep, rg --json, and blame output

Slug. Reference code for the Slug Algorithm.

superpowers. An agentic skills framework & software development methodology that works.

FlyingFox. Lightweight, HTTP server written in Swift using async/await.

libimobiledevice. A cross-platform protocol library to communicate with iOS devices

circuit-artist. Circuit Artist is a digital circuit drawing and simulation game.

Cadova. Swift DSL for parametric 3D modeling

git-absorb. git commit --fixup, but automatic

act. Run your GitHub Actions locally 🚀

CodeEditorView. SwiftUI code editor view for iOS, visionOS, and macOS

WebGL-Fluid-Simulation. Play with fluids in your browser (works even on mobile)

ios-simulator-mcp. MCP server for interacting with the iOS simulator

Aspects. Delightful, simple library for aspect oriented programming in Objective-C and Swift.

ruby_llm. One delightful Ruby framework for every major AI provider. Build AI agents, chatbots, RAG apps, and multimodal workflows in beautiful, expressive code.

lipgloss. Style definitions for nice terminal layouts 👄

ConfettiSwiftUI. SwiftUI Package for Configurable Confetti Animation 🎉

Malimite. iOS and macOS Decompiler

wordpecker-app. A personalized language-learning tool that combines Duolingo-style lessons with your own curated vocabulary lists. Seamlessly add words from books, articles, or videos, and revisit them through interactive quizzes and LLM-generated lessons.

llm-cmd. Use LLM to generate and execute commands in your shell

Peel-Off-Animation-Example-Code. Example code for https://robb.is/working-on/a-peel-off-animation

Pow. Delightful SwiftUI effects for your app

Adjustable. Swift property wrapper to automatically add sliders to adjust values and aid in refining user interfaces, animations, and interactions without the need to recompile.

ball. Swift

terminaltexteffects. TerminalTextEffects (TTE) is a terminal visual effects engine, application, and Python library.

vfont. iOS Variable Font Integration

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

swiftui-view-lifecycle. Observe how different SwiftUI container views affect state and lifecycle events (onAppear, onDisappear).

MetalCoreGraphics. Combine the power of Metal and CoreGraphics by sharing resource memory

macos-defaults. Incomplete list of macOS `defaults` commands with demos ✨

NobleEngine. A li'l game engine for Playdate.

UnrestrictedViewReplication. Show a single UIView in multiple places with arbitrary layouts

swift-playdate-examples. An Embedded Swift game running on Playdate by Panic

cv-book-svg. Turn an image of a bookshelf into an interactive SVG.

ollama. Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.

swift-noise. Generate and compose commonly-used procedural noises and distributions, in pure Swift

opensimplex. This repo has been migrated to https://code.larus.se/lmas/opensimplex

pico. Minimal CSS Framework for semantic HTML

SwiftGodot. New Godot bindings for Swift

zoom-motion-blur. motion blur shader built using swiftui and metal

Mesh-Transform-Animation. Swift

Wave. Wave is a spring-based animation engine for iOS and macOS that makes it easy to create fluid, interruptible animations that feel great.

shan-shui-inf. Procedurally generated Chinese landscape painting.

noulith. *slaps roof of [programming language]* this bad boy can fit so much [syntax sugar] into it

pkgx. Run Anything

MagazineLayout. A collection view layout capable of laying out views in vertically scrolling grids and lists.

imessage-exporter. Export iMessage data + run iMessage Diagnostics

xcparse. Command line tool & Swift framework for parsing Xcode 11+ xcresult

typst. A markup-based typesetting system that is powerful and easy to learn.

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

SwiftXP. SwiftUI in style.

fwf. Interactively create sed/awk/grep/jq/etc commands with immediate feedback

OctoKit. GitHub API client built with CreateAPI

lucky-commit. Customize your git commit hashes!

MacSymbolicator. Symbolicating macOS/iOS crash reports, easily.

yacd. Decrypts FairPlay applications on iOS 13.4.1 and lower, no jb required

sounds. Turn images into sounds viewable on a spectrogram!

Yams. A Sweet and Swifty YAML parser.

AloeStackView. A simple class for laying out a collection of views with a convenient API, while leveraging the power of Auto Layout.

NSOutlineViewReorder. NSOutlineView Drag & Drop Reordering in Swift

rant3. (Obsolete) Archive of Rant 3.x.

imobax. iOS Mobile Backup Extractor

RocketData. A caching and consistency solution for immutable models.

record-ios-simulator. A script to start and stop video recordings from the iOS Simulator as easily as taking a screenshot.

DarkNight. Sherlocked macOS launch agent for synchronizing Night Shift and the macOS system appearance

lantmateriet-lookup. Tool for assisting with aerial photograph distribution submissions to Lantmäteriet, the Swedish mapping, cadastral and land registration authority.

Notarize. Notarization status monitoring tool for macOS, supporting multiple developer accounts.

NetNewsWire. RSS reader for macOS and iOS.

Macaw. Powerful and easy-to-use vector graphics Swift library with SVG support

bat. A cat(1) clone with wings.

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

WFNotificationCenter. Notifications for app groups

survivingtheappstore. My book on getting to the #1 Spot in the App Store. Buy my games to support me.

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

swift-validated. 🛂 A result type that accumulates multiple errors.

swiff. Human readable time diffs on lines of output when running e.g. build commands like fastlane

FLEX. An in-app debugging and exploration tool for iOS

runMacOSinVirtualBox. Run macOS 10.16 Big Sur (and other versions) in VirtualBox on macOS

hammerspoon. Staggeringly powerful macOS desktop automation with Lua

knil. Universal Links testing made easy

DarkCode. Always makes Xcode use Dark Mode on macOS Mojave

rockstar. Home of the Rockstar programming language

swift-nonempty. 🎁 A compile-time guarantee that a collection contains a value.

Flow. Flow is a Swift library for working with asynchronous flows and life cycles

CutieKeys. A basic drum keyboard that anyone can use in their own VR project.

carbon. :black_heart: Create and share beautiful images of your source code

ClassicKit. 💾 A collection of classic-style UI components for iOS

party-party-party. Turn a source image into an animated party emoji

SAMCubicSpline. Cubic splines made easy.

z. z - jump around

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

AudioKit. Audio synthesis, processing, & analysis platform for iOS, macOS and tvOS

Metron. Geometry, simplified.

SpreadsheetView. Full configurable spreadsheet view user interfaces for iOS applications. With this framework, you can easily create complex layouts like schedule, gantt chart or timetable as if you are using Excel.

shellcheck. ShellCheck, a static analysis tool for shell scripts

Hero. Elegant transition library for iOS & tvOS

IGListKit. A data-driven UICollectionView framework for building fast and flexible lists.

Nuke. Image loading system

eigen. The Art World in Your Pocket or Your Trendy Tech Company's Tote, Artsy's mobile app.

SPTPersistentCache. Everyone tries to implement a cache at some point in their iOS app’s lifecycle, and this is ours.

diff-so-fancy. Make your diffs human readable for improved code quality and faster defect detection. :tada:

LayoutKit. LayoutKit is a fast view layout library for iOS, macOS, and tvOS.

fastlane. 🚀 The easiest way to automate building and releasing your iOS and Android apps

the-super-tiny-compiler. :snowman: Possibly the smallest compiler ever

neural-style. Torch implementation of neural style algorithm

termui. Golang terminal dashboard

groupcache. groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.

gocui. Minimalist Go package aimed at creating Console User Interfaces.

BRYSerialAnimationQueue. Perform UIView animations serially without blocking the main thread, using the same APIs you already know and love.

docopt.go. A command-line arguments parser that will make you smile.

phony. Tiny command line fake data generator.

CoreDragon. [iOS/deprecated!] Stop using context menus. Drag and drop instead, even between apps!

FLAnimatedImage. Performant animated GIF engine for iOS

gruvbox. Retro groove color scheme for Vim

vim-gotham. Code never sleeps in Gotham City. 🌃

cobra. A Commander for modern Go CLI interactions

hugo. The world’s fastest framework for building websites.

Changeset. Minimal edits from one collection to another

Chip8. CHIP-8 emulator and disassembler written in Swift

Unbox. [Deprecated] The easy to use Swift JSON decoder

swift. The Swift Programming Language

Xcodeproj. Create and modify Xcode projects from Ruby.

Cartography. A declarative Auto Layout DSL for Swift :iphone::triangular_ruler:

FlagKit. Beautiful flag icons for usage in apps and on the web.

ShortcutRecorder. The best control to record shortcuts on macOS, written in ObjC with Swift in mind

dotfiles. Various configuration files

chosen. Deprecated - Chosen is a library for making long, unwieldy select boxes more friendly.

WebAppKit. A framework for creating web applications using Cocoa and Objective-C, running on Mac OS X.

WebAppKit. A framework for creating web applications using Cocoa and Objective-C, running on Mac OS X.

DatabaseKit. An Objective-C database abstraction framework.