Plasma Workspace

Plasma Workspace is used as the base for Plasma Desktop, Mobile, and Bigscreen. It contains shared KCMs, applets as well as multiple libraries.

TaskManager Library

The Task Manager provides various QAbstractListModel-based model for listing Windows (TaskManager::AbstractWindowTasksModel), Startup tasks (TaskManager::StartupTasksModel) and Launcher Job (TaskManager::LauncherTasksModel).

Workspace Library

libkworkspace provides functions to allow you to interact with the KDE session manager (SessionManagement).

Notification Manager Library

libnotificationmanager is responsible for listing notifications, closing them and interacting with them in Plasma. This class provides a Qt model for jobs: NotificationManager::JobsModel. As well as a Qt model for notifications and jobs: NotificationManager::Notifications.