Suntimes - Android app (and widget collection) that displays sunlight and moonlight times for a given location.

Google Groups - Google Groups allows you to create and participate in online forums and email-based groups with a rich experience for community conversations.

SunCalc - Find out where the sun will be at any time in any location

Mighty Networks - Mighty Networks enables entrepreneurs, organizations, and companies to create and grow a community-powered brand.

Sol: Sun Clock - Get reminded when it's sunrise or sunset, wherever you travel!

TidyHQ - Organization management tool to support membership, subscriptions, event planning, and outreach.