Open source

Software & Code

Open-source tools for inference, discovery, and keeping up with the literature.

34repositories
557GitHub stars
173kdownloads / mo

Python · Updated Jun 2026

dynesty

Dynamic nested sampling for Bayesian posteriors & evidences
416stars
88forks
172kdownloads / mo
$ pip install dynesty
GitHubDocsPaper

Jupyter · Updated Jun 2026

brutus

Stellar properties, distances & extinctions via brute-force Bayesian inference
55stars
11forks
326downloads / mo
$ pip install astro-brutus
GitHubDocsPaper

JavaScript · Updated Jun 2026

aparture

An LLM-powered tool to help sift through the arXiv
20stars
4forks
GitHubDocs
Preview of the allsky visualization

allsky

An animated, interactive all-sky map of stellar motion across the Milky Way — the visualization behind the 2021 Dunlap "interactive map of the Milky Way" feature.

Open the live visualization ↗

All repositories

Python · Updated Aug 2026

lf2i

★ 23 · 2 forks · 17/mo
Likelihood-free frequentist inference with finite-sample coverage guarantees
collaboratorGitHub

Python · Updated Aug 2026

jumufraktiv

Model evidence, posterior density & moments via fractional derivatives of prior MGFs (with Siyang Li)
collaboratorGitHub

JavaScript · Updated Jul 2026

allsky

★ 5 · 1 fork
An animated, interactive 3-D map of Galactic motion
GitHub

Python · Updated Jun 2026

dynesty

★ 416 · 88 forks · 172k/mo
Dynamic nested sampling for Bayesian posteriors & evidences
★ FeaturedGitHubDocsPaper

Jupyter · Updated Jun 2026

brutus

★ 55 · 11 forks · 326/mo
Stellar properties, distances & extinctions via brute-force Bayesian inference
★ FeaturedGitHubDocsPaper

JavaScript · Updated Jun 2026

aparture

★ 20 · 4 forks
An LLM-powered tool to help sift through the arXiv
★ FeaturedGitHubDocs

Python · Updated Jun 2026

cd_sbi

★ 1
Confidence Distributions + Simulation-Based Inference
GitHub

Jupyter · Updated Jun 2026

utssrp-2026

★ 1 · 2 forks
Research project from the UTSSRP 2026 summer program
GitHub

Web · Updated Jun 2026

joshspeagle.github.io

1 fork
Personal website
GitHub

Web · Updated Jun 2026

STATSTRO

Website for annual STATSTRO meeting
GitHub

Python · Updated Jun 2026

ssc-2026-AI-LLM-demo

Materials from SSC 2026 AI-LLM Live Demo
GitHub

Python · Updated May 2026

frasian_tilting

★ 1
Testing out some ideas for Frequentist-Bayes inference
GitHub

Web · Updated Apr 2026

bio-cv

curriculum vitae
GitHub

Updated Mar 2026

multimodal

forkGitHub

Python · Updated Jan 2026

dorothy

★ 1
Data-driven stellar abundances
GitHub

Web · Updated Dec 2025

astrostat_uoft

★ 1
Astrostatistics Research Team (ART) Website
GitHub

Jupyter · Updated Nov 2025

ScAIentists_hackathon

1 fork
forkGitHub

Jupyter · Updated Oct 2025

lc-gen

forkGitHub

Jupyter · Updated Oct 2025

ast424-2025

★ 1 · 2 forks
Code for AST424 in the 2025F term
GitHub

Python · Updated Aug 2025

arxivy

★ 1 · 132/mo
Helping keep up with the arXiv
GitHub

Jupyter · Updated May 2023

typical_sets

★ 3 · 1 fork
The role of typical sets in (MCMC) sampling
GitHub

Updated Mar 2023

STA130-W23

Files for STA130 for the 2023 Winter Term at the University of Toronto
GitHub

Jupyter · Updated Feb 2023

nrp_astrobayes

★ 4
Worked example accompanying Eadie et al. (2023)
GitHub

Updated Nov 2022

STA130_ProblemSet8-Week10

Fall 2022 STA130 (Week 10) Problem Set 8 (Due 5 p.m. ET Thursday)
forkGitHub

Web · Updated Sep 2022

research

research projects
GitHub

Jupyter · Updated Sep 2019

phot_bias

★ 2 · 1 fork
Biases in maximum-likelihood photometry (paper companion)
GitHub

Jupyter · Updated Jul 2019

harvardastro_MLJC

★ 1 · 1 fork
Harvard astronomy ML journal club
GitHub

Jupyter · Updated Feb 2019

AY191

★ 1
Statistical exercises for Astronomy 191 (Spring 2019) at Harvard
GitHub

Python · Updated Oct 2018

frankenz

★ 18 · 3 forks · 57/mo
Photometric redshift estimation (a photo-z monstrosity)
GitHub

Python · Updated Aug 2017

prospector

Python code for Stellar Population Inference from Spectra and SEDs
forkGitHub

Python · Updated May 2017

nestle

Pure Python, MIT-licensed implementation of nested sampling algorithms for evaluating Bayesian evidence.
forkGitHub

Jupyter · Updated Apr 2017

PCAT

Probabilistic Cataloging
GitHub

Jupyter · Updated Dec 2016

exopop

★ 1
Inferring the population of exoplanets
forkGitHub

Jupyter · Updated Dec 2016

UCSC-Python-Coffee

★ 1
Simple demonstration of scikit-learn for Python Coffee at UCSC on 12/8/2016.
GitHub