iTerm2 is a terminal emulator for Mac OS X that does amazing things.

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

A data-driven UICollectionView framework for building fast and flexible lists.

LuLu is the free macOS firewall

Mac app that shows all open files, directories, sockets, pipes and devices in use by all running processes. Nice GUI for lsof.

A native macOS KeePass client

A free, native Apple macOS app for testing HTTP/REST endpoints

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

Textual is an IRC client for OS X

a Cocoa GUI for /etc/hosts

A native iOS video chat app based on WebRTC

CloudyTabs is a simple menu bar application that lists your iCloud Tabs.

AutoPkgr is a free Mac app that makes it easy to install and configure AutoPkg.

macOS app for managing Munki repositories

CCMenu is a Mac application to monitor continuous integration servers.

Pop-up context sensitive command line.

Band-aid for Yosemite WiFi Issues. Menu bar item which disables/enables awdl0 interface. Brings interface up/down with PriviledgedHelper

OS X Application to create NetInstall images.

Basic example of a plug-in for MacDown

Nagios status bar monitoring tool for MacOS X

A native Mac app to interface between scanners and JSON clients.