There are 2 repositories under debs topic.
Linux .debs for Lunar Client to simplify install. Also great example of a secured apt repo with GPG that automatically installs itself after installing the .deb for updates
Tools for creating, maintaining, auditing and managing deb packages
Example of Sample System for DEBS Grand Challenge 2018
simple copy of https://quickbuild.io/~luke-jr/+archive/ubuntu/bitcoinknots/+files
Un pequeño gestor de paquetes deb para instalación offline
VenenuX Gen2 repositories for Debian 7/8/9