Other Software:
This list is by no means complete. These just happen to be the apps I use, have used or seen. If you know of any that should be listed here, please let me know.
SkySafari Pro - planetarium and telescope control, huge database
Celestron SkyPortal Mobile App - is an astronomy suite that redefines how you experience the night sky.
ISS observation - Find out when the International Space can be observed from your location.
NASA - of course NASA must have an app, and its a list of their missions, image gallery, news and NASA TV
BackyardEOS/Nikon is software tailor made to control your DSLR camera. It is purposely built with astro-photography in mind.
PixInsight is an advanced image processing platform specialized in astrophotography and other technical imaging fields.
RegiStax - free image stacking program, used mostly for planets
DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of deep sky pictures.