There are 2 repositories under kde-applications topic.
Linux Guide. Learn about Linux Hardware vendors, Linux in the Cloud, Desktop Environments, Window Mangers, Linux Distributions, Linux Security, Graphics (AMD/NVIDIA/Intel ARC), and Software Apps.
Chrome OS Guide
Zerotier KDE Widget
Compositor Switcher for KDE
Installazione Arch Linux Full Disk Encryption (LVM on LUKS) (incluso /boot)
enhance kdeconnect android notification module
HTML5 backend for QT applications (using kde)
Easily customizable system monitor for KDE4 SuperKaramba.
free