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by asdf-vm

asdf-vm /asdf

Extendable version manager with support for Ruby, Node.js, Elixir, Erlang & more

7.8K Stars 336 Forks Last release: Not found MIT License 1.3K Commits 23 Releases

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asdf-vm Main workflow

Manage multiple runtime versions with a single CLI tool, extendable via plugins - docs at

asdf-vm is a CLI tool that can manage multiple language runtime versions on a per-project basis. It is like








(and more) all in one! Simply install your language's plugin!

Why use asdf-vm?

  • single CLI for multiple languages
  • consistent commands to manage all your languages
  • single global config keeping defaults in one place
  • single
    config file per project
  • support for existing config files
    for easy migration
  • automatically switches runtime versions as you traverse your directories
  • simple plugin system to add support for your language of choice
  • shell completion available for common shells (Bash, Zsh, Fish)


Please head over the documentation site for more information!


See in the repo or the Contributing section on the docs site.

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