Purp - A smart to-do list and goal tracker app
Habit List - Create good habits and break bad ones with the app that keeps you focused.
Things - Things is an easy to use task manager.
Momentum - Agile goal and performance management
Nirow - Habit tracking: Automated, Siri-ed, Calendar-ed, and More!
everyday.app - Every day, it gets a little easier. But you gotta do it every day, that's the hard part.