KDE Plasma add-on, that tiles your windows automatically and lets you manage them via keyboard, similarly to i3, Sway or dwm.

A dynamic tiling extension for KWin

Autotile manager for Plasma 6

Autotile script for kwin

Use KDE 5.27+ Tilling manager and "tile" all window at the best positon without having to press the shift key

Quick shortcuts for arranging windows in a specified grid with optional gaps