Here is a list of all namespaces with brief descriptions:

NAnasazi [external]
NBelos [external]
Ndetails [external]
NEpetra_Import_Util [external]
NEpetraExt [external]
NGenSQP [external]
NGLpApp [external]
NIntrepid2
NLOCA [external]
NMatlab [external]
NML_Anasazi [external]
NML_Epetra [external]
NMLAPI [external]
NNOX [external]
Nnox [external]
Npanzer	Computes $Ma(x)b(x)\cdots\int s(x)\nabla\phi(x)\,dx$
Ndof_functors
NExpr	Contains all symbols which support panzer::Expr::Eval
Nimpl
Nkokkos_utils
Norientation_helpers
Npanzer_tmp
Npartitioning_utilities
Nresponse_bc_adapters
Npanzer_stk
Nperiodic_helpers
Nworkset_utils
NPHX
NPiro
NRTOpPack [external]
Nshards
Nstd
NStokhos [external]
NTeuchos [external]
NThyra