Homebrew - The missing package manager for macOS
Chocolatey - The sane way to manage software on Windows.
YUM Package Manager - Yum is an automatic updater and package installer/remover for rpm systems.
NixOS - 25 Jun 2014 . All software components in NixOS are installed using the Nix package manager. Packages in Nix are defined using the nix language to create nix expressions.
Ninite - Ninite is the easiest way to install software.
Pacman - Pacman was developed to be the package manager for Arch Linux, and is also used by KDE-focused Chakra Linux.