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

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

Mac Media Keys for the Masses

Clean and simple clipboard manager for developers

MacGap 2

A clipboard manager for Mac OS X

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

A SIMBL plugin for Safari 5.1 allowing tab switching by index (using Cmd-1, Cmd-2…)

Mac OS X utility to un-archive .webarchive files (like when saving from Safari)

An overlay window that doesn’t activate when you click on it. Also (optionally) obscures your menu bar until you mouse over it.

assistive / ambient technology for writing software