IAL
IAM
IBEX
ICES
ICETRAN
ICI
Icon
Iconicode
IC-Prolog
IC Prolog ][
Id
IDAMS
IDEA
IDEAL
IDL[1]
IDL[2]
IDL[3]
IDL[4]
IDMS
Id Nouveau
IDOL
IDS/I
IF1
IF2
IFIP
IFP
IFX
IGL
IIS
IITRAN
ILIAD
ILLIAC
ILOC
IMP[1]
IMP[2]
IMP[3]
IMP[4]
Ina Jo
Info BASIC
INFORM
Information Algebra
Inglish
InnovAda
Input
INSIGHT
INTCODE
INTELLECT
INTERACTIVE
INTERCAL
INTERCOM
Interlisp
Intermediate Programming Language
Interpress
Iota
IPL
IPS
IQ
IRDATA
IRL
Ironman
Isabelle-92
ISBL
ISETL
ISIS[1]
ISIS[2]
ISL
ISLisp
ISP
ISPL
ISPS
ISWIM
IT
Ivan
Iverson's Language
IVTRAN