A project (and object) for storing, manipulating, and converting molecular mechanics data.
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Updated
Jul 27, 2026 - Python
A project (and object) for storing, manipulating, and converting molecular mechanics data.
The Open Forcefield Toolkit provides implementations of the SMIRNOFF format, parameterization engine, and other tools. Documentation available at http://open-forcefield-toolkit.readthedocs.io
OpenFF NAGL
CHARMM and AMBER forcefields for OpenMM (with small molecule support)
An automated framework for generating optimized partial charges for molecules
Force fields produced by the Open Force Field Initiative
Automated tools for the generation of bespoke SMIRNOFF format parameters for individual molecules.
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