Termix - Modern and easy to use ssh client for macOS and Windows
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.
Prompt 2 by Panic - The best SSH client for iOS
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Dataplicity - Dataplicity is a remote terminal for your Pi.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.