Habitica - Habitica is a free habit building and productivity application.
myPoli - Gameified to-do list and habit tracker.
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
ActivityWatch - Log what you do on your computer. Simple (yet powerful), extensible, no third parties.
SuperBetter - Empower youth mental health through schools and sports
HabitBull - HabitBull