DSO Browser – For finding objects to view/image based on many factors including, declination, size, brightness, etc.
Moon Phase Calendar – Calculates moon rise/set/phase.
Clemson Area Amateur Astronomers – CAAA Club Website
INDI Library – Hardware drivers for control of telescopes, cameras, focusers, filter wheels, etc. – For Mac
Kstars download for Mac – Planetarium and software for INDI control of equipment