Astropy alternatives

1 tools to consider instead of Astropy, shown against it.

	Astropy	ROOT
Vendor	Astropy Project (community)	CERN
Pricing model	Open source + paid options	Open source + paid options
Free tier	Yes	Yes
Deployment	Self-hosted	Self-hosted
Open source	Yes (BSD-3-Clause)	Yes (LGPL-2.1)
Best for	Astronomers and astrophysicists writing Python analysis code who need standardized coordinates, units and file handling.	Particle and nuclear physicists processing and analyzing very large experimental event datasets.
Pricing	Free and open source; supported by grants and institutional contributions. Pricing has not been verified yet — see the vendor's site.	Free and open source; developed and maintained by CERN. Pricing has not been verified yet — see the vendor's site.
Features	FITS file reading and writing Celestial coordinate transformations Physical units and constants handling Time-scale and calendar conversions Cosmological calculations Table and array data structures Ecosystem of affiliated astronomy packages	Columnar TTree data format for large event datasets C++ and Python (PyROOT) interfaces Statistical fitting and analysis libraries 2D/3D histogramming and visualization RDataFrame for parallel data processing Used by major LHC experiment software stacks Cross-platform (Linux, macOS, Windows)

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