What is Github packages?
The new GitHub Package Registry offers a free and unlimited hosting solution, making it even easier to share and use packages as dependencies. The GitHub Package Registry stores your packages as Git repositories, giving you complete control over their contents. Use the best version of the package, even if it's not the latest. And if you need to use a private package that isn't publicly available, you can easily adopt — or 'steal' — someone else's public package and give credit if appropriate. Open source software and ideas thrive on collaboration and sharing — we're excited to bring new flexibility and possibilities to how open source software is built and
What is Kubuntu?
The Kubuntu distribution is a spin-off from Ubuntu, which aims to create a new user-friendly desktop system using the Linux operating system. Kubuntu comes with the KDE Plasma Desktop Environment installed by default and provides users with similar functionality and visual appearance (a 'look-and-feel') to other current popular operating systems such as Windows XP and Apple's Mac OS X.
Publish Kubuntu packages on Github packages with packagecloud
If you’re looking to publish Kubuntu packages on Github packages, you can use packagecloud to handle all of your package management. Packagecloud works with all kinds of packages, not only Kubuntu packages. With packagecloud you can manage all of your packages from various OS’s, languages, and more. Always trust that your packages will be secure when you publish your Kubuntu packages on Github packages via packagecloud.
Github packages also integrates with

Archlinux

CentOS

Debian

Fedora

Gentoo

Java

Javascript

Lubuntu

Manjaro

OpenSUSE

Python

Red Hat

Red Hat Enterprise Linux

Ruby

Slackware

SuSe

Ubuntu

Xubuntu

Archlinux

CentOS

Debian

Fedora

Gentoo

Java

Javascript

Kubuntu

Lubuntu

Manjaro

OpenSUSE

Python

Red Hat Enterprise Linux

Red Hat

Ruby

Slackware

SuSe

Ubuntu

Xubuntu