Pretzel - Keyboard shortcuts for the app you're currently using
Productivity.so - Shortcuts and hacks for your favorite tools
Stacky - Simple app enhancing windows task bar functionality with stacks of shortcuts.
Productivity Planner - This package contains a selection of 10 templates that have helped me increase my productivity over the past 5 years.
Runner Pro - Perform Sketch actions quicker with your keyboard
Productivity Tools by Dropbox - Scan, share, collaborate & provide feedback on your ideas