About VersionSwitcher Versionswitcher is a tool focused on the following features: Easy to intall Python, Ruby, Node.js, Perl, and so on. Easy to switch version of Python, Ruby, Node.js, Perl, and so on. In other words, Versionswitcher is a tool similar to RVM for any programming language. VersionSwitch requires Bash or Zsh on Unix-like system or MacOSX. Setup [bash]$ curl -O http://versionswitche