Chocolatey - The sane way to manage software on Windows.
Snap Store - An in-app shopping experience from Snapchat 🐶🔥
Homebrew - The missing package manager for macOS
GNOME Software - A application for installing apps and updates.
Ninite - Ninite is the easiest way to install software.
Pamac - Graphical Package Manager for Manjaro Linux (based on libalpm).