Streaks - The to-do list that helps you form good habits.
Workrave - Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
Taskful - Deadlines, meet your match.
StretchMinder - Work break timer with guided movement & breathing exercises
ToDoList - Windows desktop application to stay on top of your daily tasks.
Iris - The fastest web framework for Go in (THIS) earth