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


g is described as 'Command-line tool that provides convenient management and switching of multiple versions of the Go environment' and is an app. There are six alternatives to g for Linux, Mac, Windows and FreeBSD. The best g alternative is moonrepo proto, which is both free and Open Source. Other great apps like g are vfox, anyenv, eclectica and asdf.
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.