Similar to ALGOL
OCaml
OCamlOccam
Occam (programming language)Octave (プログラミング言語)
Ook!
Open Shading Language
Open Shading LanguageOpenMusic
OpenMusicOpenpose
P′′
P′′PAL-III
PARLOG
ParlogParrot
Parrot virtual machineComponent Pascal
Component PascalPBASIC
PBASICPerlScript
ActivePerl#PerlScriptPhalanger
Phalanger (compiler)Picat
Pic言語
PIC (markup language)Piet
Piet (programming language)Pike
Pike (programming language)PJL
Printer Job LanguagePL/0
PL/0Processing
ProcessingProgram Composition Notation
Program Composition NotationProlog
PrologPure Data
Pure DataPxem
Pyonkee
P言語