At CERN we have an internal system to distribute software. It is mostly used to distribute software to production systems in the datacenters or to distribute nightlies and toolchains to developers. It replace standard package managers on most production systems.
It is a FUSE filesystem, where we can install software once and have it distributed to a practically unlimited number of clients thanks to a simple and performant cache system.
The filesystem is called CernVM-FileSystem, CVMFS for short.[1]
I maintain a public instance of it under https://packages.redbeardlab.com
It contains "common" software, like standard unix tools, compilers, webservers, etc...
I wrote a bit about it:
https://redbeardlab.com/2020/12/20/announcing-packages-redbe...
https://redbeardlab.com/2020/12/21/bootstrapping-packages-re...
https://redbeardlab.com/2020/12/21/packages-redbeardlab-com-...
https://redbeardlab.com/2020/12/23/packages-redbeardlab-com-...