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Managing multiple Node.js / NPM versions and installs

If you are using Node.js, particularly on Heroku which mandates a specific version, and need to work across multiple versions doing this manually can be frustrating (and insane). “No such module” problems like this and this have naturally led to some nice tools for managing NPM and Node.js versions.

n

I have found n, like it’s name, to be simple and useful and haven’t yet had any issues with it.

Nave

Nave borrows from NVM and sea.

NVM

NVM, presumably inspired by RVM, has a number of dependencies, more complicated installation, and appears to have been superseded by more recent tools like n and nave.

What is your tool of choice? Do you use one or just do it manually?