Justin Spahr-Summers

Cocoa framework and Obj-C dynamism bindings for ReactiveSwift.

A simple, decentralized dependency manager for Cocoa

My talk explaining what state is and why it's so harmful

A Cocoa library to extend the Objective-C programming language.

iPhone grocery list app, synchronized using GitHub :banana:

Proof-of-concept for implementing Rx primitives in Swift

Bootstrap and CI scripts for Objective-C projects.

Reimagining Mantle in Swift (experimental)

Algebraic data types for Python (experimental, not actively maintained)

macOS virtualization app for M1/Apple Silicon

Tools for making it easier to integrate Haskell and Objective-C.

Presentation for RACDC 2014

Presentation about my process for making code reviews as effective as possible

Append-only key-value database

Talk about the how/why of separating concerns into libraries

A fully C99-compliant library to extend the C programming language itself.

Clojure to Cocoa, built with Haskell (abandoned).

Demo iPhone app for viewing your GitHub notifications

A Cocoa framework to make Grand Central Dispatch safer (deprecated).

Ruthlessly Simple Dependency Management with Carthage

Reactive Extensions for Haskell (experimental)

Clojure to Objective-C compiler (abandoned).

A multi-language, extensible documentation generator

Suggestions for sandboxing Mac and Windows applications and workflows to improve security, while balancing usability

A Lua front-end for LLVM to translate code into calls to the Lua C API.

Command line utility for testing Mavericks tags

Presentation about the mindset shift that GraphQL requires, and best practices to adapt to it

Scrum, but with GitHub Issues (experimental)

A portable foreign-function interface library.

Talk about using types to prove correctness

My personal configuration files.

Pure functional programming for Lua

Space sim inspired by Escape Velocity

Miscellaneous useful shell scripts.

A framework to build Cocoa applications with a purely functional Lua model.

MoreAnimation is a super lazy, super dumbed-down re-implementation of Core Animation.

Microservice to connect to Interactive Brokers and stream market data elsewhere

Presentation for RACDC 2015

A demonstration of how to use FRP with ReactiveCocoa in an iOS context using the 500px API.

Embeddable blockchain library for low-latency P2P multiplayer games (proof of concept)

JSON parsing library for Swift, inspired by Aeson, a JSON parsing library for Haskell.

Interactive Brokers Gateway as a Docker image

Proof of concept for basing TwUI components on AppKit

A Vim plugin which shows a git diff in the gutter (sign column).

xctool is a replacement for Apple's xcodebuild that makes it easier to build and test iOS and Mac projects.

Syntax highlighting for Cartfiles in Vim.

Automatically exported from code.google.com/p/objective-d

A Property Based Testing Library for Objective-C and Swift. QuickCheck for Apple's Platforms.

Haskell formulae for the Homebrew package manager

Mac framework to bridge AppKit and Core Animation-based UI frameworks

GitHub profile README

Swift µframework of the ubiquitous Box<T> & MutableBox<T> reference types, for recursive value types & misc. other purposes.

Microservice to connect to Interactive Brokers and stream market data into Google BigQuery

Ingest portfolio and other data from multiple brokerages, and analyze it

Swift language support for the Atom editor

Learning the Mercury programming language

macOS VM for Apple Silicon using Virtualization API

A CLI workflow for the administration of Mac applications distributed as binaries

Generic model framework for Swift

Proposal for Strange Loop 2013 (rejected)

Low-level networking interface

Model framework for Cocoa and Cocoa Touch applications

No description.

Build Unity projects for different platforms

Reactive programming abstractions for asyncio and the Python standard library (proof-of-concept)

Google Test

Sinkline is a C++ library which makes it easy to compose callbacks together and write them using a declarative style.

Bootstrap and CI scripts for [my] Python projects

Model framework for Cocoa and Cocoa Touch

The 2.x ReactiveCocoa Objective-C API: Streams of values over time

Streams of values over time

The missing package manager for OS X.

Network abstraction layer written in Swift

Quick switching between C/C++ header and source files

An embedded DSL for Git operations

🏊🏾 Simplified HTTP request client.