RuckZuck is described as 'free Software Package Manager for Windows, designed to keep the Software on your System(s) up to date even if the Software was not installed with RuckZuck' and is a Package Manager in the development category. There are more than 10 alternatives to RuckZuck for a variety of platforms, including Windows, Online / Web-based, Windows S, BSD and Windows Phone. The best alternative is Ninite, which is free. Other great apps like RuckZuck are Chocolatey, Patch My PC, scoop and Npackd.
Ninite is the easiest way to install software. Pick the apps you want, and the Ninite installer will download and install all of your selected apps at once, automatically. It is 100% hands-free; Ninite automatically rejects browser toolbars and other prepackaged junk.
Npackd (pronounced "unpacked") is an application store/package manager/marketplace for applications for Windows. It helps you to find and install software, keep your system up-to-date and uninstall it if no longer necessary.
Zero Install is a decentralised cross-distribution software installation system. Other features include full support for shared libraries, sharing between users, and integration with native platform package managers.
WAPT is a package manager for Windows which provides installation, removal and upgrades of software in managed environment. Software can be deployed through a central management console. WAPT was modeled on GNU/Linux Debian APT, hence its name.