apt-cacher-ng
A caching proxy specialized for Linux distribution packages
Apt-Cacher NG is a caching proxy for downloading packages from Debian-style software repositories (or possibly from other types). The main principle is that a central machine hosts the proxy for a local network, and clients configure their APT setup to download through it. Apt-Cacher NG keeps a copy of all useful data that passes through it, and when a similar request is made, the cached copy of the data is delivered without being re-downloaded. Apt-Cacher NG has been designed from scratch as a replacement for apt-cacher, but with a focus on maximizing throughput with low system resource requirements. It can also be used as replacement for apt-proxy and approx with no need to modify clients' sources.list files.
There is no official package available for openSUSE Leap 15.6Distributions
openSUSE Tumbleweed
openSUSE Leap 15.5
openSUSE Backports for SLE 15 SP4
SUSE SLE-15-SP1
RedHat RHEL-7