What are some alternatives?
When comparing GestureWorks Gameplay and Overtone - Gaming Comunication, you can also consider the following products
TouchMousePointer - TouchMousePointer is desktop application for Windows 8, Windows 8.1 or later.
Goldberg Emulator - Steam emulator that emulates steam online features.
Padlet Briefcase - Padlet Briefcase provides a virtual canvas for team collaboration that can be used for venn diagram, discussion board or for a business plan
VMware Fusion - Simple and powerful virtual machine for Mac. Mac virtualization software. Learn more about VMware Fusion and try it free today.
PlayOnLinux - PlayOnLinux will allow you to play your favorite games on Linux easily
Cheat Engine - Cheat Engine is an open source memory scanner/hex editor/debugger for Windows.