CHARMM and AMBER forcefields for OpenMM (with small molecule support)
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Updated
Jul 13, 2026 - Rich Text Format
CHARMM and AMBER forcefields for OpenMM (with small molecule support)
Parameter/topology editor and molecular simulator
OFFICIAL: AnteChamber PYthon Parser interfacE
An automated framework for generating optimized partial charges for molecules
Interface for AutoDock, molecule parameterization
Automated tools for the generation of bespoke SMIRNOFF format parameters for individual molecules.
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
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