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The catalogue

Tools & data

24 packages, organised by the physics they solve. Each installs independently — pick what you need.

24 tools

FastEMRIWaveforms

Python

Fast, accurate EMRI waveforms on both CPUs and GPUs

Stable EMRI

pip install fastemriwaveforms

Docs Code

WaSABI

Mathematica

Waveforms from self-force theory and SF-PN hybrids

Stable EMRI

PacletInstall[["WaSABI"]

Docs Code

BHPTNRSurrogate

Python

Surrogate waveform models trained on perturbation theory, calibrated to NR

Stable surrogate

Docs Code

Teukolsky

Mathematica

Solutions to the Teukolsky equation for perturbations of Kerr

Stable Teukolsky

PacletInstall["Teukolsky"]

Docs Code

Regge-Wheeler

Mathematica

Solutions to the Regge-Wheeler equation for Schwarzschild perturbations

Beta Regge-Wheeler

PacletInstall["ReggeWheeler"]

Docs Code

pybhpt

Python

A python package for solving problems in black hole perturbation theory.

Stable Teukolsky

pip install pybhpt

Docs Code

Gremlin

C/C++

Solve the Teukolsky equation with a point-particle source

Stable Teukolsky

Docs Code

h1Lorenz

C/C++

First-order metric perturbation in the Lorenz gauge

Stable self-force

Docs Code

qnm

Python

Kerr QNM frequencies and spherical-spheroidal mixing coefficients

Stable QNM

pip install qnm

Docs Code

QNM

Mathematica

Quasinormal modes in Schwarzschild and Kerr spacetime

Beta QNM

PacletInstall["QNM"]

Docs Code

Spin-Weighted Spheroidal Harmonics

Mathematica

Spin-weighted spheroidal harmonics and their eigenvalues

Stable harmonics

PacletInstall["SpinWeightedSpheroidalHarmonics"]

Docs Code

KerrGeodesics

Mathematica

Bound timelike geodesics about a Kerr black hole

Stable geodesics

PacletInstall["KerrGeodesics"]

Docs Code

KerrGeoPy

Python

Timelike geodesics in the Kerr spacetime

Stable geodesics

pip install kerrgeopy

Docs Code

kerrgeodesic_gw

SageMath

Gravitational waves from a circular orbit about a Kerr black hole

Stable geodesics

sage -pip install kerrgeodesic_gw

Docs Code

Fast Self-Forced Inspirals

C/C++

Self-force inspirals via near-identity transformed equations of motion

Stable self-force

Docs Code

SelfForce-1D

Fortran

Effective-source EMRI simulation infrastructure in the time domain

Beta self-force

Docs Code

Punctures

Mathematica

Metric perturbation punctures for first- and second-order self-force

Stable self-force

Docs Code

RegularizationParameters

Mathematica

Regularization parameters for the regular field at the particle

Beta regularization

Docs Code

PerturbationEquations

Mathematica

First- and second-order Einstein and Teukolsky equations in Schwarzschild

Stable second-order

Docs Code

SecondOrderRicci

C/C++

Modes of the second-order Ricci tensor

Stable second-order

Docs Code

GeneralRelativityTensors

Mathematica

Coordinate-based tensor calculations with a focus on black holes

Stable tensors

Docs Code

PostNewtonian-SelfForce

Mathematica

High-order PN series at linear order in the mass ratio, with a loader

Data post-Newtonian

Docs Code

CircularOrbitSelfForceData

Mathematica

Fluxes and self-force quantities for circular orbits

Data fluxes

Docs Code

EMRI Kludge Suite

C/C++

Kludge waveforms for generic extreme mass-ratio inspirals into Kerr

Deprecated EMRI

Docs Code

Looking for large datasets? Big result sets live in the BHPToolkit Zenodo community. Smaller datasets and their loaders are listed above under Data repositories.