NASTRAN
Napier
NAPLPS
NAPSS
NATURAL
Natural English
nawk
NB
NDL
Neat 3
Nebula
NELIAC
Neon
NERECO
NESL
NETL
New Flavors
NEWP
NewsClip
Newspeak[1]
Newspeak[2]
Newsqueak
Newton
Nexpert Object
NFQL
NGL
NIAL
NICOL I[1]
NICOL[2]
NIKL
NIL[1]
NIL[2]
NJCL
NML
NODAL
Noddy
NOMAD
Nonpareil
NORC COMPILER
NORD PL
Nother
NPL[1]
NPL[2]
NPL[3]
NPPL
N-Prolog
Nqthm
nroff
NUCLEOL
NUPRL
NU-Prolog
NYAP
NYU OMNIFAX