An open source iOS framework for GPU-based image and video processing

KeyCastr, an open-source keystroke visualizer

Staggeringly powerful macOS desktop automation with Lua

A fast and clever hex editor for macOS

Managing windows size and position in OSX

Itsycal is a tiny calendar for your Mac's menu bar. http://www.mowglii.com/itsycal

Vienna is a free and open-source RSS/Atom newsreader for macOS.

A contextual menu plugin & service for macOS that allows users to make symbolic links in the Finder

The standard OS X color picker put into an NSPopover

Sync macbook screen brightness to non-Apple external display.

Mac OSX app written in swift that lets you easily from light to dark mode in OSX Yosemite.

Fikovnik's Mac Toolkit