ZYpp

ZYpp (or libzypp) is a package management engine that powers Linux applications like YaST, Zypper and the openSUSE/SUSE Linux Enterprise implementation of PackageKit. Unlike other common package managers, it provides a powerful satisfiability solver to compute package dependencies and a convenient package management API. It is an open source and free software project sponsored by SUSE and licensed under the terms of the GNU General Public License v2 or later. ZYpp is implemented in the C++ programming language.

Zypper is the native command-line interface of the ZYpp package manager for installing, removing, updating and querying software packages of local or remote (networked) media. Its graphical equivalent is the YaST package manager module. It has been used in openSUSE since version 10.2 beta1. In openSUSE 11.1, Zypper reached version 1.0. On June 2, 2009, Ark Linux announced that it has completed its review of dependency solvers and has chosen ZYpp and its tools to replace the aging apt-rpm, as the first distribution to do so. Zypper is also assimilated in the MeeGo, Sailfish OS and Tizen mobile Linux distributions.