Habitica - Habitica is a free habit building and productivity application.
Eve by Glow - A savvy sex & health app for women
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
Periodic Calendar - What is Periodic Calendar?
Flow Dashboard - Habit, task & goal tracking + quantified self
Cycle - (taken from the man pages) DESCRIPTION