# Open Force Field Toolkit

A modern, extensible library for molecular mechanics force field science from the Open Force Field Initiative

## User Guide

- Installation
- Release History
- The SMIRks Native Open Force Field (SMIRNOFF) specification
- Examples using SMIRNOFF with the toolkit
- Developing for the toolkit
- Frequently asked questions (FAQ)

## API documentation

- Molecular topology representations
- Forcefield typing tools
- Utilities