asdf-vm

asdf plugin list all
asdf plugin add kubectl
asdf plugin add flux2
...
asdf list all <util> # get a list of available versions
asdf install <util> <version>
asdf global <util> <version> # set the default version
asdf local <util> <version> # set the version for this directory and below
asdf current # list of active plugins

# after pip install of awscli
asdf reshim python