Roadtrippers - The ultimate road trip planner to help you discover extraordinary places, book hotels, and share itineraries all from the map.
Suntimes - Android app (and widget collection) that displays sunlight and moonlight times for a given location.
Sygic Travel Maps - Itinerary planner for independent travelers
Natural Hour - A roman timekeeping add-on for Suntimes.
Wanderlog - Collaborative travel planner with combined itinerary and map
Sol: Sun Clock - Get reminded when it's sunrise or sunset, wherever you travel!