| AtomForce | Structure to hold atomic forces |
| sFEMparm | Parameter structure for FEM-specific variables from input files |
| sMGparm | Parameter structure for MG-specific variables from input files |
| sNOsh | Class for parsing fixed format input files |
| sNOsh_calc | Calculation class for use when parsing fixed format input files |
| sPBEparm | Parameter structure for PBE variables from input files |
| sVacc | Oracle for solvent- and ion-accessibility around a biomolecule |
| sVaccSurf | Surface object list of per-atom surface points |
| sValist | Container class for list of atom objects |
| sVatom | Contains public data members for Vatom class/module |
| sVclist | Atom cell list |
| sVclistCell | Atom cell list cell |
| sVcsm | Charge-simplex map class |
| sVfetk | Contains public data members for Vfetk class/module |
| sVfetk_LocalVar | Vfetk LocalVar subclass Contains variables used when solving the PDE with FEtk |
| sVgreen | Contains public data members for Vgreen class/module |
| sVgrid | Electrostatic potential oracle for Cartesian mesh data |
| sVmgrid | Multiresoltion oracle for Cartesian mesh data |
| sVopot | Electrostatic potential oracle for Cartesian mesh data |
| sVparam_AtomData | AtomData sub-class; stores atom data |
| sVpbe | Contains public data members for Vpbe class/module |
| sVpee | Contains public data members for Vpee class/module |
| sVpmg | Contains public data members for Vpmg class/module |
| sVpmgp | Contains public data members for Vpmgp class/module |
| Vparam | Reads and assigns charge/radii parameters |
| Vparam_ResData | ResData sub-class; stores residue data |