Macro Deck - Use smartphone as macropad for pc
HapticKey - Trigger haptic feedback when tapping Touch Bar
TouchPortal - Touch Portal is a companion app to control a PC or a Mac by using a deck of buttons to improve the workflow & productivity of game streamers, content creators and professionals.
Touch Bar Simulator - The macOS Touch Bar Simulator as a standalone app
Unified Remote - Unified Remote is a software app available for iPhone, Android, and Windows Phone mobile operating systems. It's designed to turn your smartphone into a universal remote. Read more about Unified Remote.
TouchBar for your old MacBook - Use Touch Bar on an iPad through USB connection