Solaris Sky Calendar - An astronomy calendar right in your pocket
gridscale - gridscale - The World's Easiest IaaS-Solution.
Lumy - Helps you track photographic times
Microgrid Services - Green Energy Corp's mission is to modernize national power systems and microgrids while driving the development of the Smart Grid by it's open source GreenBus.
Sundial App - Sun & Moon times and alerts for iPhone, iPad, & Apple Watch
sonnenBatterie - Unsere Vision ist, dass sich alle Menschen mit sauberer und bezahlbarer Energie versorgen können.