Xnee is described as 'GNU Xnee is a suite of programs to record, replay and distribute user actions under the X11 environment. Think of it as a robot that can imitate the job you just did' and is an app in the Development category. There are six alternatives to Xnee for Windows, Mac, Linux and BSD. The best alternative is AutoHotkey, which is both free and Open Source. Other great apps like Xnee are AutoIt (Free), Sikuli (Free, Open Source), Stepwise (Free) and PyGUIBot (Free, Open Source).
Talon aims to bring programming, real-time video gaming, command line, and full desktop computer proficiency to people who have limited or no use of their hands, and vastly improve productivity and wow-factor of anyone who can use a computer.