Witch - Welcome to the world of W. i. t. c. h.
HapticKey - Trigger haptic feedback when tapping Touch Bar
Contexts - Switch between application windows effortlessly — with Fast Search, a better Command-Tab, a Sidebar or even a quick gesture. Free trial available.
TouchBar for your old MacBook - Use Touch Bar on an iPad through USB connection
Hyperswitch - HyperSwitch provides a compelling alternative to HyperDock for keyboard junkies. What's New
Touch Bar Simulator - The macOS Touch Bar Simulator as a standalone app