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Astronomy & Astrophysics Software Frameworks

Software frameworks and core libraries for astronomy and astrophysics research.

20 projects

10,199 contributors

$284M

Astropy

Astropy is a core package for astronomy in Python that provides tools and functionality for performing astronomical calculations, handling astronomical data, working with coordinates, time, units, and other common astronomy-related tasks. It serves as a foundational library for the astronomical computing ecosystem.

Contributors

2,821

Organizations

597

Software value

$20M

Astroquery

Functions and classes to access online data resources. Maintainers: @keflavich and @bsipocz and @ceb8

Contributors

1,102

Organizations

187

Software value

$7.4M

INDI Core Library

INDI Core Library Repository

Contributors

900

Organizations

78

Software value

$10M

SunPy

SunPy - Python for Solar Physics

Contributors

894

Organizations

174

Software value

$3.2M

TARDIS

TARDIS - Temperature And Radiative Diffusion In Supernovae

Contributors

563

Organizations

96

Software value

$4.8M

PyCBC

Core package to analyze gravitational-wave data, find signals, and study their parameters. This package was used in the first direct detection of gravitational waves (GW150914), and is used in the ongoing analysis of LIGO/Virgo data.

Contributors

558

Organizations

39

Software value

$13M

PlasmaPy

An open source Python package for plasma research and education

Contributors

465

Organizations

74

Software value

$5M

Healpy

Healpy is a Python package for working with HEALPix (Hierarchical Equal Area isoLatitude Pixelization) data, commonly used in astronomy and cosmology for analyzing spherical data. It provides tools for spherical harmonics transforms, map manipulation, and visualization of data on the celestial sphere.

Contributors

447

Organizations

110

Software value

$596K

Gammapy

A Python package for gamma-ray astronomy

Contributors

430

Organizations

51

Software value

$4.2M

Core Cosmology Library (CCL)

The Core Cosmology Library (CCL) is a standardized library for cosmological calculations in LSST Dark Energy Science Collaboration (DESC) analysis. It provides validated numerical implementations of cosmological functions needed for calculating theoretical predictions for observables in a range of cosmological analyses.

Contributors

290

Organizations

36

Software value

$74M

AMUSE

AMUSE (Astrophysical Multipurpose Software Environment) is a Python framework for large-scale astrophysical simulations, allowing coupling of different simulation codes to study complex astronomical phenomena. It provides tools for stellar evolution, gravitational dynamics, hydrodynamics, and radiative transfer calculations.

Contributors

274

Organizations

36

Software value

$51M

Phantom

Phantom is a smoothed particle hydrodynamics (SPH) code for astrophysical fluid simulations. It is used for modeling and simulating various astrophysical phenomena including star formation, planet formation, and stellar collisions.

Contributors

263

Organizations

8

Software value

$5.8M

GalSim

The modular galaxy image simulation toolkit. Documentation:

Contributors

210

Organizations

38

Software value

$12M

PINT

PINT (PINT Is Not TEMPO3) is a scientific software package for high-precision pulsar timing analysis. It provides tools for analyzing pulse arrival times from radio pulsars, modeling pulsar parameters, and performing timing analysis to study gravitational waves, test theories of gravity, and conduct other astrophysical research.

Contributors

207

Organizations

21

Software value

$3.1M

INDIGO

INDIGO is a system of standards and frameworks for multiplatform and distributed astronomy software development designed to scale with your needs.

Contributors

199

Organizations

25

Software value

$56M

VPLanet

VPLanet is a software tool for simulating planetary system evolution, including orbital dynamics, tidal forces, climate modeling, and habitability calculations. It enables researchers to study how planets and their environments change over time by integrating multiple physical processes.

Contributors

187

Organizations

8

Software value

$4.5M

PyVO

PyVO is a Python library that provides access to Virtual Observatory (VO) services and data through standardized protocols. It enables astronomers and researchers to discover, access, and work with astronomical data from various online services and archives that support VO standards.

Contributors

158

Organizations

51

Software value

$1.2M

COMPAS

COMPAS (Compact Object Mergers: Population Astrophysics and Statistics) is a rapid binary population synthesis code used to simulate the evolution of binary stars and predict the properties of gravitational wave sources. It models stellar and binary evolution to study compact object formation and mergers.

Contributors

130

Organizations

5

Software value

$3.8M

GAMER

GAMER (GPU-Accelerated Adaptive MEsh Refinement) is a high-performance astrophysical simulation code that uses adaptive mesh refinement and GPU acceleration for solving astrophysical problems. It focuses on computational fluid dynamics and gravitational calculations for astrophysical simulations.

Contributors

101

Organizations

5

Software value

$5.1M

specutils

An Astropy coordinated package for astronomical spectroscopy. Maintainers: @rosteen @keflavich @eteq

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