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CodeArchaeology

Unearthing programming languages from the popular to the obscure

Discover how languages old and new still run on modern machines — macOS, Windows, and Docker. From FORTRAN to Rust, every language has a story to tell.

hello_world.history
// 1957 - FORTRAN WRITE(*,*) 'Hello, World!' // 1972 - C printf("Hello, World!\n"); // 1995 - Java System.out.println("Hello!"); // 2015 - Rust println!("Hello, World!");
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OADL

New

Ross Cunniff's Object/Array Data Language: a dynamically typed, C-like object-oriented language with APL-style array operations, begun in 1997 as the heir to his Adventure Definition Language

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O'Basic

New

O'Basic, Celtech Software's shareware desktop script language for Windows 95, a BASIC-like interpreter with built-in system objects, try/catch error handling and a script-to-EXE compiler.

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Objecteering language

New

J, the interpreted, Java-like language inside Softeam's Objecteering/UML CASE tool, written as methods on UML metaclasses and used to drive code generation, model transformation and consistency checks

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Obey

New

The command-script file type of Acorn's RISC OS: plain text files of star commands, with parameters and a self-locating Obey$Dir, that boot discs and launch every application through its !Run file

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OBJ

New

Joseph Goguen's family of algebraic specification and programming languages, where a program is a set of equations, running it is term rewriting, and parameterized modules gave the field the idea of parameterized programming

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Every language guide includes working code examples, Docker images for instant setup, and progressive tutorials from Hello World to advanced topics.