Spectral line identification tool

Radiative transfer grid based on Radmc-3D

SED model grid and fitting tools for fitting SEDs of massive protostars

Command-line driven tool to create dust opacities

A pythonic interface for radio astronomy interferometry data (uvfits, measurement sets, uvh5, others)

Oimodeler is a modular modelling tool for optical interferometry

Reconstructing Hankel rAdial Profiles in centro-Symmetric Objects with Discrete rings for astrophYsics

Bayesian fitting package

X11/GUI utilities and applications for IRAF (xgterm, ximtool, xtapemon)

IRAF - Image Reduction and Analysis Facility

Absolute photometry and Sky Brightness with all-sky images.

Display and fit Optical (spectro-)Interferometric OIFITS data

Tutorials on the use of (Gaia) astrometry in astronomical data analysis or inference problems.

Estimate distances to stars as done for the Gaia-DR2 distance catalogue

Python version of the SED fitter from Robitaille et al., 2007, ApJS 169 328

Support for OI-FITS (optical interferometry data format) in Julia.

Contains core part of the RTS2 - RTS2 libraries, and drivers for basic devices.

A variety of python utilities focusing on numerical, scientific, and astrophysical computing

Astronomy and astrophysics core library

C Library for reading/writing OIFITS files