proto is a pluggable next-generation version manager for multiple programming languages. A unified toolchain.
Cost / License
- Free
- Open Source (MIT)
Platforms
- Mac
- Windows
- Linux


rbenv is described as 'Version manager tool for the Ruby programming language on Unix-like systems. It is useful for switching between multiple Ruby versions on the same machine and for ensuring that each project you are working on always runs on the correct Ruby version' and is an app in the os & utilities category. There are five alternatives to rbenv for Linux, Mac and Windows. The best rbenv alternative is moonrepo proto, which is both free and Open Source. Other great apps like rbenv are vfox, eclectica, asdf and anyenv.
proto is a pluggable next-generation version manager for multiple programming languages. A unified toolchain.


vfox is a cross-platform version manager(similar to nvm, fvm, sdkman, asdf-vm, etc.), extendable via plugins. It allows you to quickly install and switch between different environment you need via the command line.
"asdf" is a tool version manager. All tool version definitions are contained within one file (.tool-versions) which you can check in to your project's Git repository to share with your team, ensuring everyone is using the exact same versions of tools.