Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.
Sculptris - Sculptris: Enter a world of digital art without barriers.
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.
ZBrush - ZBrush is a digital sculpting and painting software solution.
Pomodone - Pomodone is the easiest way to track your workflow using Pomodoro technique, on top of your current task management service.