CrossHello

A collection of "Hello, World!" programs in various programming languages and beyond.

Contents

General-Purpose Programming Languages

Language	Description
Ada	Strongly typed programming language
Agda	Dependently typed functional language
APL	Array-oriented programming language
BASIC	Classic beginner programming language
C	One of the most influential programming languages
C-no-libc	C without the standard library
C#	Object-oriented language from Microsoft
C++	Extended version of C
Carbon	Experimental language from Google
Clojure	Functional Lisp on the JVM
CoffeeScript	Language that compiles to JavaScript
Coq	Proof assistant and functional language
COBOL	Language for business applications
Crystal	Fast language with Ruby-like syntax
D	Modern system programming language
Dart	Language from Google for Flutter and web development
Delphi	Object Pascal dialect for rapid development
Elm	Functional language for web frontends
Elixir	Dynamic functional language
Erlang	Functional programming language
F#	Functional language from Microsoft
Forth	Stack-based programming language
Fortran	One of the first high-level languages
GNU-Lisp	Emacs Lisp dialect
Go	Programming language from Google
Haskell	Purely functional language
HolyC	Language developed for TempleOS
J	Array-oriented programming language
J#	.NET version of Java from Microsoft
Jai	Programming language by Jonathan Blow
Java	Classic object-oriented language
JavaScript	Language for web development and beyond
Jaryq	Simple, low-level and convenient language
Julia	Language for scientific and high-performance computing
K&R-C	Classic C style by Kernighan and Ritchie
Kotlin	Language for Android and server applications
Lisp	One of the oldest functional languages
Lua	Lightweight embeddable scripting language
Luau	Typed Lua dialect used in Roblox
MicroPython	Optimized version of Python for microcontrollers
MISRA-C	Safe C programming standard
Nim	Efficient system programming language
Objective-C	Object-oriented extension of C
Objective-C++	Hybrid of Objective-C and C++
OCaml	Functional language with an object system
Odin	Modern system programming language
Pascal	Language for teaching programming
Perl	General-purpose scripting language
PHP	Popular language for web development
Prolog	Logic programming language
Python	General-purpose programming language
R	Language for statistics and data analysis
RAD	Rapid Application Development
Raku	Modern version of Perl (formerly Perl 6)
Ruby	Elegant object-oriented language
Rust	System programming language with memory safety
Scala	Language for scalable programming
Scheme	Minimalist Lisp dialect
Solidity	Smart contract language for Ethereum
Smalltalk	Message-passing object-oriented language
Swift	Language for iOS and macOS
Tcl	Scripting language for automation
TypeScript	JavaScript extension with types
V	Simple and fast compiled language
Vala	Object-oriented language for GNOME
WebAssembly	Binary instruction format for stack-based VMs
Zig	Modern system programming language

Esoteric Languages

Language	Description
ArnoldC	Programming language in the style of Arnold Schwarzenegger
Brainfuck	Minimalist esoteric language
LOLCODE	Language in the style of internet memes
Malbolge	The hardest language to program in
Ook	Brainfuck variant for orangutans
Whitespace	Language that uses only whitespace
Chef	Programs look like recipes
Shakespeare-Programming-Language	Code looks like a play

Scripting Languages and Shells

Language	Description
Ansible	IT automation and configuration management
AppleScript	Scripting language for macOS
AutoHotkey	Automation scripting language for Windows
Batch	Scripts for the Windows command line
Csh	C shell for Unix/Linux
FISH	Friendly interactive shell
PowerShell	Powerful scripting language for Windows
Shell	Scripts for Unix/Linux shell
Tcsh	Enhanced C shell

Markup and Documentation Formats

Format	Description
AsciiDoc	Powerful format for writing documentation
HTML	HyperText Markup Language
LaTeX	Document typesetting system
MD	Markdown, a lightweight markup language
reStructuredText	Python documentation format
SGML	Standard Generalized Markup Language
TeX	Document typesetting system
TXT	Plain text format
XHTML	Extensible HyperText Markup Language
XML	Extensible Markup Language

Data and Configuration Formats

Format	Description
CSV	Tabular data format
HEX	Hexadecimal data representation
INI	Configuration file format
JSON	Data interchange format
TOML	Minimalist configuration format
YAML	Human-readable serialization format

Build Systems and Configuration

Format	Description
Dockerfile	Docker container configuration
Makefile	Build automation system

Web Technologies and Styles

Format	Description
CSS	Cascading Style Sheets
Less	CSS preprocessor with variables
Sass	CSS extension with variables and functions
Stylus	Expressive CSS preprocessor
Svelte	Compiled web framework

Assembly Languages

Format	Description
6502-Assembly	Assembly for the 6502 processor
8051-Assembly	Assembly for the 8051 microcontroller
AT&T-ASM	Assembly in AT&T syntax
AVR-Assembly	Assembly for AVR microcontrollers
AArch64-Assembly	Assembly for 64-bit ARM architecture
ARM-Assembly	Assembly for ARM architecture
ARMv7-Assembly	Assembly for ARMv7 architecture
ARMv8-Assembly	Assembly for ARMv8 architecture
C-SKY-Assembly	Assembly for C-SKY architecture
FASM	Flat Assembler
GAS	GNU Assembler
IA-64-Assembly	Assembly for Intel Itanium architecture
Intel-Assembly	Assembly for Intel x86 architecture
MASM	Microsoft Macro Assembler
MIPS-Assembly	Assembly for MIPS architecture
NASM	Netwide Assembler
PIC-Assembly	Assembly for PIC microcontrollers
PowerPC-Assembly	Assembly for PowerPC architecture
RISC-5-Assembly	Assembly for RISC-5 architecture
RISC-V-Assembly	Assembly for RISC-V architecture
SPARC-Assembly	Assembly for SPARC architecture
x86-64-Assembly	Assembly for 64-bit x86 architecture
Z80-Assembly	Assembly for the Z80 processor

Intermediate Representations

Format	Description
LLVM-IR	LLVM Intermediate Representation

Hardware Description Languages

Format	Description
Chisel	Hardware description language based on Scala
Lava	Functional hardware description language in Haskell
MyHDL	Hardware description language based on Python
SystemVerilog	Extended version of Verilog
VHDL	Hardware description language
Verilog	Hardware description and verification language

Query Languages

Format	Description
GraphQL	Query language for APIs
KQL	Kusto Query Language for Azure Data Explorer
SQL	Structured Query Language

Configuration Formats

Format	Description
CUE	Configuration language with validation
HCL	HashiCorp Configuration Language
M4	Macro processor for text generation
Nix	Purely functional package manager language

Encodings and Representations

Format	Description
Base64	Encoding for binary data representation

GUI Frameworks

Framework	Description
Angular	Web framework from Google
Astro	Static site generator
Flutter	Cross-platform UI framework from Google
GTK	GUI framework for Linux and GNOME
Next.js	React framework for web applications
OpenGL	Cross-platform graphics API
Qt	Cross-platform C++ GUI framework
React	Web framework for building interfaces
Swing	Standard GUI framework for Java
Tkinter	Standard GUI framework for Python
Vue	Progressive JavaScript framework
Vala-GUI	GTK GUI using Vala
Vulkan	Modern low-level graphics API
WinForms	GUI framework for Windows .NET
WPF	Modern GUI framework for Windows

Scientific and Domain-Specific

Language	Description
MATLAB	Language for numerical computing
Mathematica	Language for symbolic mathematics
Octave	Open-source MATLAB-compatible language
Wolfram	Wolfram Language for symbolic computation

Game Engines

Engine	Description
LibGDX	Cross-platform game framework for Java
Pico-8	Fantasy console with Lua-based language

Miscellaneous

Item	Description
Able	Simple BASIC dialect
Binary	Binary format
Morse	Morse code
NVMA	NVM Assembly language
Perano	Simple systems programming language

Running Examples

Each example contains a simple program that prints "Hello, World!". Each directory contains a source file and, if necessary, instructions for compiling and running it.

Contributing

See CONTRIBUTING.md.

License

The Unlicense.

See the LICENSE file for details.

Contributors

• AnmiTaliDev - Creator and main developer

Statistics

Category	Count
Total languages and formats	177
Programming languages	69
Esoteric languages	8
Scripting languages	9
Web technologies and styles	5
Assembly languages	22
Intermediate representations	1
Hardware description languages	6
Query languages	3
Markup and documentation formats	10
Data and configuration formats	6
Configuration formats	4
Build systems and configuration	2
Encodings and representations	1
GUI frameworks	15
Scientific and domain-specific	4
Game engines	2
Miscellaneous	5

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Created for the programming community