Unity Module Manager. What's this?

Hi all,

So I’ve stumbled upon a Module Manager in Unity Edit bar. I could not find any documentation on this and very minimal explanation on the internet. Could someone explain me what kind of wide purposes does Module Manager have and what different scenarios can this be used? Can this be used for plugin development?

Did you mean the Package Manager?

https://docs.unity3d.com/Packages/com.unity.package-manager-ui@1.8/manual/index.html