PixInsight Alternatives
PixInsight is described as 'Advanced image processing platform specialized in astrophotography and other technical imaging fields, constantly pushing the boundaries of astronomical image processing with the most powerful toolset available' and is an app in the photos & graphics category. There are seven alternatives to PixInsight for a variety of platforms, including Windows, Linux, Mac, Web-based and Flathub apps. The best PixInsight alternative is Siril, which is both free and Open Source. Other great apps like PixInsight are DeepSkyStacker, FITS Liberator, SAOImageDS9 and IRIS Astronomical Images.
Alternatives list
DeepSkyStacker is a freeware for astrophotographers that simplifies all the pre-processing steps of deep sky pictures.
Cost / License
- Free
- Proprietary
Platforms
- Windows


FITS Liberator GUI image processing software has meant that it is even easier and faster to create color images using raw observations from a range of telescopes.
Cost / License
- Free
- Open Source
Platforms
- Mac
- Windows
- Linux


SAOImageDS9 is an astronomical imaging and data visualization application. DS9 supports FITS images and binary tables, multiple frame buffers, region manipulation, and many scale algorithms and colormaps.
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Mac
- Windows
- Linux


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Cost / License
- Free Personal
- Proprietary
Platforms
- Windows

Astroart is a software for image processing, image analysis, astrometry, photometry, camera and telescope control.
Cost / License
- Paid
- Proprietary
Platforms
- Windows


The Astro App is a tool for exploring the night sky and tracking celestial events. It's primarily targeted for amateur astrophotographers.
Cost / License
- Free
- Proprietary
Platforms
- Online


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Nice tool, tutorials are good, filters &scripts really efficient. A nice to have if you take time to learn how it works