fnmFast and Simple Node.js Version Manager

Built with Rust, blazing fast, cross-platform, and easy to use

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Blazing Fast

Built with Rust, extremely fast startup and execution with millisecond response, over 10× faster than traditional version managers.

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Seamless support for macOS, Windows, and Linux with unified commands and experience, no need to learn different tools.

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No complex configuration needed, just download and run, zero dependencies, quick and easy installation.

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Automatically switch Node.js version based on .node-version or .nvmrc files in the project directory.

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Support for .node-version, .nvmrc files, and the engines.node field in package.json.

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Supports mainstream shells like Bash, Zsh, Fish, and PowerShell with simple configuration.