AltPkg is a free and open-source Chrome extension designed to enhance the npm installation process by allowing users to override the default `npm install` command. This tool is particularly beneficial for developers who work with multiple package managers, as it supports npm, yarn, pnpm, bun, or even custom commands. Its lightweight nature ensures it integrates seamlessly into the user's workflow without adding unnecessary overhead.

The extension is easy to install and use, making it a practical choice for those looking to streamline their package management tasks. With AltPkg, users can customize their installation commands, providing greater flexibility and efficiency in managing JavaScript packages. The source code is available for those interested in exploring or contributing to its development.