fnm
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fnm. (Fast Node Manager) is a Rust-based Node.js version manager with .node-version / .nvmrc support and cross-platform shells.
Summary
What it is: Single binary, fnm use, auto-switch on directory change (optional), Corepack-friendly.
When to use: Node-only version management with better performance than nvm.
When to skip: Already standardized on mise / asdf for all runtimes.
Key features: Multi-platform, .node-version, fish/zsh/bash support, --use-on-cd hook.
Details
| Topic | Notes |
|---|---|
| Migration | Reads .nvmrc for compatibility with nvm-based repos |
| Contrast | nvm where shell-only legacy scripts dominate |
References