Workrave - Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).

Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.

Iris - The fastest web framework for Go in (THIS) earth

Toggl - Toggl is an online time tracking tool. It features 1-click time tracking and helps you see where your time goes. Free and paid versions are available.

StretchMinder - Work break timer with guided movement & breathing exercises

Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.