# About this guide

> [日本語訳](https://erg-lang.org/dev-guide/JA/)
>
> [繁體中文翻譯](https://erg-lang.org/dev-guide/zh_TW/)
>
> [简体中文翻译](https://erg-lang.org/dev-guide/zh_CN/)

This document is a guide to developing the Erg project.
It describes how to make contributions, guidelines for development, and how to set up the development environment, etc.

An explanation of compiler internals is [here](../compiler/README.md).
