Lunatask - All-in-one encrypted to-do list, habit and mood tracker, journaling and notes app
HappyMeter - A frictionless way to measure happiness and job satisfaction
Microsoft To-Do - Task management tool
Ninety.io - Make the most of your 90-Day World™ by utilizing EOS software that integrates your Six Key Components™ to accelerate your V/TO™.
Things - Things is an easy to use task manager.
Teambit - Teambit is a team engagement and performance platform, that makes feedback a daily habit.