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.
Onyx by Titanium - This website provides operating system utilities for macOS
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
MacPilot - Unlock over 1200 features in Mac OS X and optimize your system!
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Alfred - Alfred is an award-winning app for macOS which boosts your efficiency with hotkeys, keywords, text expansion and more. Search your Mac and the web, and be more productive with custom actions to control your Mac.