What are some alternatives?
When comparing GestureWorks Gameplay and JoyToKey, you can also consider the following products
TouchMousePointer - TouchMousePointer is desktop application for Windows 8, Windows 8.1 or later.
AntiMicro - A tool for mapping keyboard and mouse events to gamepads and joysticks.
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
DS4Windows - DS4 Tool for Windows
PlayOnLinux - PlayOnLinux will allow you to play your favorite games on Linux easily
Pinnacle Game Profiler - Pinnacle Game Profiler enables the use of virtually any game controller (gamepad, joystick, etc.) with any PC game. It's preconfigured for most game titles and controllers. Just download and play.