There are 4 repositories under kwin topic.
KDE Plasma add-on, that tiles your windows automatically and lets you manage them via keyboard, similarly to i3, Sway or dwm.
Autotile manager for Plasma 6
A kwin script that automatically tiles windows
Fork of the Plasma 6 blur effect with additional features (including force blur) and bug fixes.
Linux auto tiling manager with hot corner support for Openbox, Fluxbox, IceWM, Xfwm, KWin, Marco, Muffin, Mutter and other EWMH compliant window managers using the X11 window system. Therefore, this project provides dynamic tiling for XFCE, LXDE, LXQt, KDE and GNOME (Mate, Deepin, Cinnamon, Budgie) based desktop environments.
KDE KWin Script for snapping windows into zones
archived - X11 full-screen unredirection and lots'a settings for KWin
Mouse and touchpad gestures for Hyprland, Plasma 6 Wayland
KWin script for KDE Plasma which suggests other window thumbnails on snap
Spacer with Mouse gestures for the KDE Plasma Panel featuring Latte Dock/Gnome/Unity drag window gesture. Run any shortcut, command, application or URL/file with up to ten configurable mouse actions.
How to set up your nested Wayland Desktop Environment with systemd-nspawn container, like VirtualBox
Window styles for KDE Plasma highlighting the active window in the color scheme's accent color
A collection of handy-dandy tips, tricks and How-to(s)
KWin scripts controlling window placement on multi-monitor setups
Qt implementation of Dual Kawase Blur using OpenGL
KWin script that moves fullscreened window to a new virtual desktop
Notify the System76 Scheduler which app has focus so it can be prioritized
Material-ish window decoration theme for KWin, with Locally Integrated Menu and Menu Search, based on zzag's original design.
Autotile script for kwin
Desktop effect for KDE Plasma to apply GLSL shaders. Alternative to vkBasalt or ReShade when they are unsupported.
KWin Effect makes touchpad gesture on KDE easier for human beings
Rolling eyes that follow your mouse pointer, a port of xeyes as a widget for the KDE Plasma Desktop (X11 and Wayland).
KWin script to raise all windows of an application as a group
KWin scripts to control window geometry via keyboard shortcuts
KWin script to prevent windows from overlapping
A template kwinscript for typescript
KWin script to add space around maximized windows.