The Einstein Toolkit is a community-driven software platform of core computational tools to advance and support research in relativistic astrophysics and gravitational physics. It aims to include any computational tool the fits into it's scope. Currently, a large portion of the toolkit is made up by over 100 Cactus components (called thorns) for computational relativity along with associated tools for simulation management and visualization. This includes a vacuum spacetime solver (McLachlan), two relativistic hydrodynamics solvers (GRHydro and IllinoisGRMHD), along with components for initial data, analysis and computational infrastructure. These components have been developed and improved over many years by many different researchers.

Researchers should cite this work as follows:

• (2024), "Einstein Toolkit," https://sciencegateways.org/resources/einsteintoolkit.

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1. Astrophysics
2. computational tool
3. Einstein Toolkit
4. gravitational physics
5. softwareEntry