Here is a list of all namespaces with brief descriptions:

[detail level 1234]

▼Naspect
NAdiabaticConditions
NAssemblers
NBoundaryComposition
NBoundaryFluidPressure
NBoundaryHeatFlux
▼NBoundaryTemperature
Ninternal
NBoundaryTraction
▼NBoundaryVelocity
Ninternal
▼Nconstants
▼Nearth
Niasp91_radii
Nmasses
Nprem_gravity
▼Nmars
Nradii
▼NGeometryModel
Ninternal
NGravityModel
NHeatingModel
NInitialComposition
▼NInitialTemperature
NBoundaryLayerAgeModel
▼Ninternal
NS40RTS
NSAVANI
NLABDepth
NInitialTopographyModel
▼Ninternal
▼NAssembly
NCopyData
NScratch
NChangeVectorTypes
NPlugins
▼Ninternals
NSimulatorSignals
NLinearAlgebra
▼NMaterialModel
NEquationOfState
Ninternal
NMaterialAveraging
NMaterialProperties
▼NMaterialUtilities
NLookup
NPhaseUtilities
NNonlinearDependence
NProperty
NReactionModel
▼NRheology
NViscosityAveraging
NThermalConductivity
NMatrixFreeStokesOperators
NMelt
NMeshDeformation
▼NMeshRefinement
Ninternal
NNewton
▼NParticle
NGenerator
NIntegrator
NInterpolator
▼NProperty
NUtilities
NPlugins
▼NPostprocess
Ninternal
NVisualizationPostprocessors
NPrescribedStokesSolution
NStokesSolver
NTerminationCriteria
NTimeStepping
▼NUtilities
NCoordinates
NMapParsing
Ntk
▼NVolumeOfFluid
NUtilities
Nbig_mpi
NCitationInfo
Ndealii
NWorldBuilder