Sequator - A star stacking program that can deal with landscape foreground masking.
PixInsight - A powerful deep sky stacking application for astrophotography.
DeepSkyStacker - DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of...
Astro Pixel Processor - Astro Pixel Processor is a deep sky image processing software.
APT (Astro Photography Tool) - APT stands for "AstroPhotography Tool" and it is like Swiss army knife for your astro imaging sessions.
N.I.N.A. - NINA is a night time imaging and astronomy software.