Sygic Maps - The world's first online maps designed for travelers
Suntimes - Android app (and widget collection) that displays sunlight and moonlight times for a given location.
Wanderlog - Collaborative travel planner with combined itinerary and map
SunIZup - SunIZup helps you to know the timings of the various Sunlight phases including the Golden Hour and...
Calendar Lock PEA - Calendar Lock PEA is an encrypted desktop calendar with a day, week and month view. The shown calendars are never stored unencrypted on your disk, but exist only in the RAM. Platform-independent, Open Source, no installation or registration required.
Solar Clock: Circadian Rhythm - Solar Clock: Circadian Rhythm syncs the Solar time with your Local time and shows important events (Sunrise, Waking up, Breakfast, Lunch, Solar Noon, Sport, Sunset, Sleep Time, …) based on Circadian rhythm.