PackageKit/PackageKit

UniGetUI: The Graphical Interface for your package managers. Could be terribly described as a package manager manager to manage your package managers

A powerful Pacman (Package Manager) front end using Qt libs

Graphical Package Manager for Manjaro Linux with Alpm, AUR, Appstream, Flatpak and Snap support

See all your installed packages in one place. (Official package manage for RyokuArch)

Pacman alternative for ArchLinux, designed with you in mind.

AppImage Package Manager: AppImage sandboxing, local and system installation, update all AppImages, an extensible database of AppImages and portable apps, lists for AppImages and other GNU/Linux binaries, integrate AppImages by drag/drop or install unlisted AppImages, conversion of old AppImage types... and more! Manage AppImages like never before!

Pacman-like syntax wrapper for many package managers.

[MIRROR, PRs ok! Issues: https://git.lix.systems/lix-project/lix/issues] A modern, delicious implementation of the Nix package manager, focused on correctness, usability, and growth — and committed to doing right by its community

Next-generation RPM package management system