This is a table of notable computer programs implementing molecular mechanics force fields.

ProgramOPLSAMBERCHARMMGAFFMMFFQVBMMUFFComments
AbaloneUA94, 96, 99SB, 03, GS, ii, Automatic FF generatorNoNoNoNoUFF-Dreiding-like fieldFor proteins, DNA, ligands
AMBERYesYesVia chamber tool since v11YesNoNoNo
Ascalaph DesignerUA94, 99SB, 03NoNoNoNoNo
AvogadroNoNoNoYes94, 94sNoYes
BalloonNoNoNoNo94NoNoMMFF94-like
BOSSYesNoNoNoNoNoNo
CHARMMYes*Yes*Yes*Via CHARMM-GUIFull MMFF94, but code rumored unmaintainedNoNo* in standard distribution
GabeditNoYesNoYesYesNoNo
Gaussian mm utilityNoYesNoNoNoNoYesDreiding field available
GROMACSYesYes*Yes*YesNoNoNo* in standard distribution since v4.5.0
MOEAA89, 94, 99, also with Extended Hückel Theory22, 27No94(s)NoNo
NAMDYesYesYesYesNoNoNo
OpenbabelNoYesNoYes94, 94sNoYes
QYesYesYesNoNoNoNoFor biopolymers
TinkerUA, AA, AA/L94, 96, 98, 9919, 27No94NoNoFor proteins, organic molecules
YasaraNo94, 96, 99, 03NoNoNoNoNoPlus custom fields for hires refinement

See also