charmm topic
acpype
OFFICIAL: AnteChamber PYthon Parser interfacE
pytim
a python package for the interfacial analysis of molecular simulations
ParaMol
A Package for Parametrization of Molecular Mechanics Force Fields
Longbow
Longbow is a tool for automating simulations on a remote HPC machine. Longbow is designed to mimic the normal way an application is run locally but allows simulations to be sent to powerful machines.
OPLSAA-DB
Database of hand-built OPLS-AA parameters and topologies for 464 molecules. Zip files contains parameter and topologies for OpenMM, Gromacs, NAMD, CHARMM, LAMMPS, TINKER, CNS/X-PLOR, Q, DESMOND, BOSS...
dabble
Membrane protein builder and parameterizer
glycosylator
Framework for the rapid modeling glycans and glycoproteins.