Things - Things is an easy to use task manager.
Streaks - The to-do list that helps you form good habits.
Everlist Task Manager - Groceries, trips, errands, and daily todos managed simply. get your tasks under lovely control.
Taskful - Deadlines, meet your match.
Llama Life - Say goodbye to never-ending lists, and hello to daily bliss
Gone - An ephemeral to-do list