Mr2.js – Expose local servers to external networks

In plain words

Mr2.js is a tool that exposes local servers to external networks, allowing developers to make applications running on their machines accessible from the internet. It's designed for developers who need to share their local development environments with others or test remote access. The tool launched in 2019 and is available on GitHub as an open-source project.

written from the facts on this page · September 2026

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