Skip to main content

Install the Suborbital CLI

Subo is the command-line tool for working with the Suborbital Extension Engine (SE2). Subo is used to build SE2 modules, generate new projects and config files, and more over time.

You do not need to install language-specific tools to get started with SE2 and Subo! A Docker toolchain is supported (see below) that can build your SE2 modules without needing to install language toolchains.


macOS (Homebrew)

If you're on Mac (M1 or Intel), the easiest way to install is via brew:

brew tap suborbital/subo
brew install subo

Install from source (requires Go)

If you use Linux or otherwise prefer to build from source, simply clone this repository or download a source code release archive and run:

make subo

This will install subo into your GOPATH ($HOME/go/bin/subo by default) which you may need to add to your shell's $PATH variable.

Subo does not have official support for Windows.

Verify installation

Verify subo was installed:

subo --help


This repo contains builders for the various languages supported by SE2 modules. A builder is a Docker image that can build SE2 modules into Wasm modules, and is used internally by subo to build your code.


The subo tool supports the following platforms and operating systems:


The language toolchains used by subo support the following platforms:



Please read the contributing guide to learn about how you can contribute to Subo! We welcome all types of contribution.

By the way, Subo is also the name of our mascot, and it's pronounced Sooooobo.


Copyright Suborbital contributors 2021.