Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Habits by Reclaim.ai - Auto-block time on your calendar for all your routines
Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.
2 Minute Habits - Productivity app helps overcome procrastination in 2 minutes
EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.
Habit List - Create good habits and break bad ones with the app that keeps you focused.