Netrunner is a Debian-based distribution featuring a highly customised KDE desktop with extra applications, multimedia codecs, Flash and Java plugins, and a unique look and feel. The modifications are designed to enhance the user-friendliness of the desktop environment while still preserving the freedom to tweak. A separate "Rolling" edition, based on Manjaro Linux, was launched in 2014, was discontinued and was re-launched in 2017.
Netrunner 20.01 release notes:
https://www.netrunner.com/netrunner-21-01-xoxo-released/