KeyCastr, an open-source keystroke visualizer

Staggeringly powerful macOS desktop automation with Lua

Spectacle allows you to organize your windows without using a mouse.

Desktop WebKit wrapper for HTML/CSS/JS applications.

Cheddar for iOS

Programmers' editor for OS X [DEAD PROJECT]

Fork of Pieter's nice git GUI for OS X. Includes branch/tag sidebar and various fixes. Current development focus is on removing legacy git command line usage in favour of libgit2 and objective-git.

gfxCardStatus is an open-source menu bar application that keeps track of which graphics card your unibody, dual-GPU MacBook Pro is using at any given time, and allows you to switch between them on …

Syntax control for the command line