The Einstein Toolkit

Celebrating 10 years of gravitational waves with GW250114

A numerical relativity simulation of the recently observed GW250114 event, a binary black hole merger detected by LIGO on January 14, 2025.

Credit: Deborah Ferguson, Derek Davis, Rob Coyne (URI) / LVK / MAYA Collaboration.

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About

The Einstein Toolkit is a community-driven software platform of core computational tools to advance and support research in relativistic astrophysics and gravitational physics.
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Get Started

If you have never used the Einstein Toolkit before, we provide a tutorial to get started You can also download the latest release and learn about visualize your simulations.
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Documentation

A lot of the documentation within the Einstein Toolkit is generated from comments in the source code, and more can be found on the Einstein Toolkit Wiki or other documents. We provide links to guides, tutorials and references.
Documentation Wiki

Interact with us

The Einstein Toolkit would not exist without numerious contributions from its community. It is easy to learn how you can contribute as well.
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