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.
Inkscape - Inkscape is a free, open source professional vector graphics editor for Windows, Mac OS X and Linux.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Sketch - Professional digital design for Mac.
RescueTime - Time management software that shows you how you spend your time & provides tools to help you be more productive.
Affinity Designer - Professional creative software, exclusively for Mac.