Windows Package Manager CLI is described as 'Microsoft's open-source CLI packager manager for Windows' and is an app in the OS & Utilities category. There are six alternatives to Windows Package Manager CLI for Windows, Linux and Mac. The best alternative is Ninite, which is free. Other great apps like Windows Package Manager CLI are Chocolatey (Freemium, Open Source), Homebrew (Free, Open Source), scoop (Free, Open Source) and Ketarin (Free, Open Source).
Ninite is the easiest way to install software. Pick the apps you want, and the Ninite installer will download and install all of your selected apps at once, automatically. It is 100% hands-free; Ninite automatically rejects browser toolbars and other prepackaged junk.
winstall is powered by Windows Package Manager (aka "winget"), Microsoft's new package manager for Windows 10. Windows Package Manager is currently in preview, and it is not available by default in Windows 10.