A privacy-aware, distributed, open source social network.

Simple microblogging network based on the ostatus protocol.

Paul Ford’s “What Is Code?”

Angrave's Crowd-Sourced System Programming Book used at UIUC

This project is deprecated in favor of blueimp Gallery.

Easily customizable custom inputView for iOS that imitates the native iOS keyboard.

An in-app debugging and exploration tool for iOS

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

Complete Animated GIF Support for iOS, with Functions, NSJSONSerialization-style Class, and (Optional) UIImage Swizzling

👀 📈 Visualize Data from a Google Spreadsheet

🪭 Fold up DOM elements like paper

The very first build system for The Nature of Code

The official source code repository for the calibre ebook manager

Beatiful and fast smooth line drawing algorithm for iOS - as seen in Foldify.

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

The CloudApp API

ARC and GCD Compatible Reachability Class for iOS and MacOS. Drop in replacement for Apple Reachability

Fast parallel object cache for iOS and OS X.

UISwitch implementation

ARCHIVED: Version 1 of the AWS SDK for iOS

A UIActivity subclass that opens URLs in Safari

The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/

The dream of the 90s is alive in UIKit

A color picker for iOS

An example project in Objective-C to demonstrate how to anonymously upload an image to the IMGUR image service with only foundation classes

Unopinionated and flexible library for easily integrating Tumblr data into your iOS or OS X application.

Stack Menu looks like OS X

A clean and lightweight progress HUD for your iOS and tvOS app.

A UIImage category that loads animated GIFs

QuickLook generator for Markdown files.