What are some alternatives?
When comparing GestureWorks Gameplay and Goldberg Emulator, you can also consider the following products
TouchMousePointer - TouchMousePointer is desktop application for Windows 8, Windows 8.1 or later.
Wine - Open Source Software for running Windows applications on other operating systems.
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
PlayOnLinux - PlayOnLinux will allow you to play your favorite games on Linux easily
Proton - Compatibility tool for Steam Play based on Wine and additional components
Cheat Engine - Cheat Engine is an open source memory scanner/hex editor/debugger for Windows.