PixInsight - A powerful deep sky stacking application for astrophotography.
DeepSkyStacker - DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of...
Star Tools - Star Tools is one of the most advanced image processing tools that you can use for astrophotography.
APT (Astro Photography Tool) - APT stands for "AstroPhotography Tool" and it is like Swiss army knife for your astro imaging sessions.
Skyimaging.com - Skyimaging.com is a popular website for dealing with astronomy and particularly with the Lunar and Planetary astrophotography and Deep Sky Imaging.
N.I.N.A. - NINA is a night time imaging and astronomy software.