KeyCastr, an open-source keystroke visualizer

Staggeringly powerful macOS desktop automation with Lua

LuLu is the free open-source macOS firewall

The Git interface you've been missing all your life has finally arrived.

A window management application (replacement for Divvy/SizeUp/ShiftIt)

OS X menubar status indicator

A modern, flexible logging tool

ChatSecure is a free and open source encrypted chat client for iOS that supports OTR and OMEMO encryption over XMPP.

Vector illustration app for the iPad.

Notational Velocity: modeless, mouseless Mac OS X note-taking application

NeXTSTEP-like desktop environment for Linux

Cocoa framework for updating OS X apps

A fast, simple graph drawing and data plotting app for OS X and iPad.

Open source release of Canabalt for iOS

Create UIImage / NSImage instances with NSString and ASCII art

LiveReload.app for Mac and Windows. See “develop” branch for the latest Windows release and LiveReload 3 progress. (NOTE: renamed from LiveReload2.)

"Alfred for Xcode" plugin

An open-source iOS personal analytics tool

The home of the Tokaido app

Wizard War is an open-source multiplayer iOS game

Syntax control for the command line

gcc-poison

A puzzle game with bridges, houses, tolls, and subways for iOS