This is the second iteration of the original modman project. ModMan v1 was cobbled together in a haste in order to get a working mod manager for a friend's minecraft server, as I was sick of having outdated mods, and was aware of the hassle required in order to update the bulk of mods in a server.
ModMan v2 aims to be more complete as a package manager, similar to the likes of apt/rpm/yay, but for minecraft mods. It will also feature a completely separate API library, rather than the semi-integrated one from v1, which will allow for easier integration into other projects.