Stretch - Uber for limousines (but it's free)
Pretzel - Keyboard shortcuts for the app you're currently using
Lyft Line - Shared rides along shared routes, priced for daily use
KeyCue - Menu shortcuts are supposed to provide quick access to frequently used menu commands.
Uber without Internet - Order Uber when you have no internet
Hotkey Commander - Find out and override what hotkey combination is registered by which application.