Similar to Eiffel

Factor
Factor (programming language)
Fantom (プログラミング言語)
Fantom (programming language)
Ficl

FLOW-MATIC
FLOW-MATIC
Forth
Forth (programming language)
Fortress
Fortress (programming language)
FreeBASIC
FreeBASIC
Gauche
Gauche (Scheme implementation)
Gleam (プログラミング言語)
Gleam (programming language)
GLSL
OpenGL Shading Language
GNU Octave
GNU Octave
Go (プログラミング言語)
Go (programming language)
Google Apps Script
Google Apps Script
Guarded Horn Clauses

High Level Shading Language
High-Level Shader Language
High Performance Fortran
High Performance Fortran
HLASM

Hot Soup Processor
Hot Soup Processor
HyperTalk
HyperTalk
IBM High Level Assembler
IBM High Level Assembler
Icon
Icon (programming language)
Inform
Inform
Information Processing Language
Information Processing Language
Interactive Data Language
IDL (programming language)
INTERCAL
INTERCAL
IronRuby
IronRuby
ISWIM
ISWIM
J (プログラミング言語)
J (programming language)