Productivity Tools by Dropbox - Scan, share, collaborate & provide feedback on your ideas
Pretzel - Keyboard shortcuts for the app you're currently using
The Ultimate Productivity Stack - Curated directory of tools to supercharge your productivity
KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.
Hotkey Commander - Find out and override what hotkey combination is registered by which application.