Alpenglow - Never miss a incredible looking sunrise or sunset again
FilterGrade - Gorgeous photography filters for Photoshop
SunCalc - Find out where the sun will be at any time in any location
CSS Hat - Turn layers from Photoshop CC 2014 to code instantly.
Solaris Sky Calendar - An astronomy calendar right in your pocket
Stylizer - A productivity-focused real-time CSS editor for serious web developers. Mac OS X and Windows.