Siril - Siril is an astronomical image processing tool, able to convert, pre-process images, help aligning...
PixInsight - A powerful deep sky stacking application for astrophotography.
RegiStax - Photography, Astronomy, Image, and Astrophotography
DeepSkyStacker - DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of...
APT (Astro Photography Tool) - APT stands for "AstroPhotography Tool" and it is like Swiss army knife for your astro imaging sessions.
Capture One Pro - The professionals’ choice in RAW image editing software with support for more than 500 cameras. Get started with Capture One today with a 30-day free trial.