Nomie - Open-source mood and life tracking
Habitica - Habitica is a free habit building and productivity application.
Journalistic - A simple, yet powerful micro journaling app
Loop Habit Tracker - Loop Habit Tracker (AKA uhabits) helps to create and maintain good habits in order to achieve their...
Journal - Organize all your ideas
Google Calendar - Spend less time managing your day & more time enjoying it