Here is a list of all namespaces with brief descriptions:

Ncvode
Nexp4
Nexp4cu
Nexprb43
Nexprb43cu
Ngenerate_ics
Ngeneric
Ngenericcu
Nplotter
Nradau2a
Nradau2acu
Nrk78
Nrkc
Nrkc_cu
Nvan_der_pol
Nvan_der_pol_cu