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

The Photographer's Ephemeris - TPE is a tool to help you plan outdoor photography in natural light, especially landscape and urban scenes. It is a map-centric sun, moon and milky way calculator: see how the light will fall on the land, day or night, for any location on 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.

SunIZup - SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and...

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

Sun Seeker App - Projects solar path, solar energy, sunlight exposure and other solar related information onto user-supplied Photo Sphere (spherical photo) images, with a zoom/pan 3D viewer, as well as onto other overhead images such as site plans.