Top Alternatives to Chocolatey

Ninite is a package management system offering that lets users automatically install popular applications.

Synaptic is a GTK+-based graphical user interface for Advanced Packaging Tool (APT)—the Package management system used by Debian and its derivatives. Synaptic is usually used on systems based on deb packages but can also be used on systems based on RPM packages.

Homebrewing refers to small-scale, non-commercial manufacture of drink, typically beer.

Update-manager is a frontend for the apt package management system. It allows you to perform some actions of the command line tool apt-get in a graphical interface.

Ketarin is a small application which automatically updates setup packages.

pacman is a package manager written specifically for Arch Linux.

Npackd an installer/application store/package manager/marketplace for applications for Windows.

aptitude is a terminal-based apt frontend with a number of useful features, including: a mutt-like syntax for matching packages in a flexible manner, dselect-like persistence of user actions, the ability to retrieve and display the Debian changelog of most packages, and extreme flexibility and customization.

Patch My PC is a portable and reliable utility designed to check your system against the current version of Adobe Reader, Adobe Acrobat, Adobe Flash, etc.

The Linux Mint Update Manager.

Homebrew-Cask extends Homebrew and brings its elegance, simplicity, and speed to macOS applications and large binaries alike. It only takes 1 line in your shell to reach 3500 Casks maintained by 4568 contributors. brew cask install google-chrome.

MacPorts (DarwinPorts) is a package management system that simplifies the installation of software on the macOS and Darwin operating systems.

Zero Install is a means of distributing and packaging software for multiple operating systems.

scoop is a command-line installer for Windows.

OneGet is a package manager for Windows.

Just Install is a windows package manager.

Advanced Package Tool, or APT, is a free software user interface that works with core libraries to handle the installation and removal of software on Debian and other Linux distributions.