Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Linux
- Mac
asdf is described as '"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' and is a Package Manager in the development category. There are more than 10 alternatives to asdf for a variety of platforms, including Linux, Mac, Windows, FreeBSD and Flatpak apps. The best asdf alternative is Scoop, which is both free and Open Source. Other great apps like asdf are Homebrew, Warehouse, Applite and Flattool.
nvm is a version manager for node.js, designed to be installed per-user, and invoked per-shell. nvm works on any POSIX-compliant shell (sh, dash, ksh, zsh, bash), in particular on these platforms: unix, macOS, and windows WSL.
rbenv is a 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.
NVS is a cross-platform utility for switching between different versions and forks of Node.js. NVS is itself written in node JavaScript.

