tracy - a system call tracer and injector. Find us in #tracy on irc.freenode.net
C - Released: 23 May 2012 - 71
Maps input devices to (multiple) other (virtually, created) input devices. Supports cloning input devices and sharing them over the network. Very useful for applications and games that do not support certain input devices (like gamepads)
Python - Released: 03 Dec 2012 - 66
Simple Noise Activated Recording in Python. Previously known as vacr.
Python - Released: 12 Feb 2011 - 17
least is a pdf viewer using mupdf as rendering backend. features a graphical opengl (and later on opengl|es) frontend, smooth graphics, threaded rendering and much more.
C - Released: 29 Mar 2012 - 7