There are 2 repositories under plasmoid topic.
Tray application and Dolphin/Plasma integration for Syncthing
Plasma 5 widget that displays the currently used network bandwidth
Deprecated, here is a Not so feature rich replacement: https://github.com/adhec/OnzeMenuKDE, contact me if you are interested in maintaining this.
Fully-featured widget to bring Latte-Dock and WM status bar customization features to the default KDE Plasma panel
Add Home Assistant to your plasma desktop
Persian Calendar widget for KDE/Plasma
KDE Plasma widget to change the GPU mode using the EnvyControl command line tool.
widget for kde plasma ~ count the pacman update available
KDE Plasma6 widget with window controls
Add a slice of web on your desktop. https://www.pling.com/p/998902/
KDE Plasma widget that tracks ArchLinux/Flatpak updates and providing notifications for new ones
Your usual clock widget, just way better and on a single line!
KDE plasmoid for displaying Spotify info in a panel
Simple Plasma Applet for the official NordVPN linux client
Ambient noise player applet (plasmoid) for KDE Plasma 6
Plasma 5 custom application launcher that opens a popup when placed in a panel
Plasma 5 widget that gives access to user places
A plasmoid for controlling nordpy (https://github.com/morpheusthewhite/nordpy)
Behold! the Scriptinator! A plasmoid button to launch custom scripts on click and on mouse scroll, allowing you to change icon dynamically
A minimal media info widget for KDE Plasma
Argos, Gnome Shell Extension, kargos, KDE plasmoid, Plugins.
Simple widget to change the default audio output device/sink.
KDE Plasma widget to turn on/off the battery conservation mode in compatible Lenovo® laptops.
A Configurable On/Off Switch Plasmoid Commands (based on neicker/on-off-switch fork)
OctoPrint KDE 5 monitoring widget with webcam support
A small plasmoid to send tweets directly from the desktop
org.kde.plasma.digitalclock fork with editable sizing
KDE Plasmoid To Toggle Panel Visibility With A Click
A KDE Plasma 5 Plasmoid for monitoring cryptocurrency exchange rates on various exchanges
It's a toolbar on Plasma desktop indicating Qv2ray status.
A KDE plasmoid that displays live local telemetry data about the train you're sitting in
KDE Plasma qml widgets