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