The FDD Story Get Started Tutorial Docs Motivation Download GitHub

Download ARO

Get the ARO CLI and IDE extensions to start building feature-driven applications.

📦 ARO Command-Line Interface

The ARO CLI lets you run, build, compile, and test ARO applications. Download the pre-built binary for your platform or build from source.

🍺

Install with Homebrew

Recommended for macOS

The easiest way to install ARO on macOS. Homebrew handles updates and dependencies automatically. 

brew tap arolang/aro
brew install aro

Or download a pre-built binary:

🍎

macOS

Universal binary for Apple Silicon and Intel Macs

Download for macOS aro-macos-universal.tar.gz
🐧

Linux

64-bit binary for Ubuntu, Debian, and other distributions

Download for Linux aro-linux-x86_64.tar.gz
🪟

Windows

Currently searching for contributors

Help develop ARO for Windows

Build from Source

Alternatively, build ARO from source using Swift:

git clone https://github.com/arolang/aro.git
cd aro
swift build -c release
# Binary is at .build/release/aro

Requires Swift 6.2 or later.

📖 Documentation

Learn ARO with our comprehensive documentation series covering philosophy, syntax, patterns, and practical examples.

📘

The Language Guide

Comprehensive guide to ARO: from mental model to native compilation

Download PDF ARO-Language-Guide.pdf
📗

ARO By Example

Learn by doing: practical examples and hands-on tutorials

Download PDF ARO-By-Example.pdf
📙

Construction Studies

Deep dives into ARO internals and advanced implementation patterns

Download PDF ARO-Construction-Studies.pdf
🧩

The Plugin Guide

Build plugins in Swift, Rust, C, and Python to extend ARO

Download PDF ARO-Plugin-Guide.pdf

📝 IDE Extensions

Enhance your ARO development experience with syntax highlighting and code snippets.

💻

Visual Studio Code

Full syntax highlighting and smart snippets for VS Code.

  • Syntax highlighting for all ARO elements
  • 40+ code snippets for common patterns
  • Bracket matching and auto-closing
  • Code folding for feature sets
Install from Marketplace →
🧠

IntelliJ IDEA

TextMate-based highlighting with live templates for JetBrains IDEs.

  • Syntax highlighting via TextMate
  • Live templates for quick coding
  • Works with all JetBrains IDEs
  • File type association
Install from JetBrains Marketplace →

Manual Installation: Extensions are also available in the Editor directory of the GitHub repository.

🚀 Quick Start

After installing, verify your installation and run your first ARO application:

# Check version
aro --version

# Run an example
aro run ./Examples/HelloWorld

# Run tests
aro test ./Examples/Calculator

# Compile to native binary
aro build ./Examples/HelloWorld

Ready to learn more? Check out the Getting Started Guide or dive into the Tutorial.