KMail supports multiple accounts, mail filtering and email encryption. The program let you configure your workflow and it has good integration into KDE (Plasma Desktop) but is also usable with other Desktop Environments.

KMail is the email component of Kontact, the integrated personal information manager from KDE.

This package provides a library containing itinerary data model and itinerary extraction code.

The Kaccounts Integration library provides online account management system and its Plasma integration components.

KDE Plasma is an advanced graphical desktop system.

This package provides sound files for Plasma Mobile.

Plasma Desktop offers a beautiful looking desktop that takes complete advantage of modern computing technology. Through the use of visual effects and scalable graphics, the desktop experience is not only smooth but also pleasant to the eye. The looks of Plasma Desktop not only provide beauty, they are also used to support and improve your computer activities effectively, without being distracting.

This package provides tools to sync KDE settings to GTK applications.

This package provides support components for porting from KF5/Qt5 to KF6/Qt6

This package provides a KCModule to configure permissions for portal interactions. It also allows changing flatpak settings via the subsumed Flatpak KCM.

Note: Some permissions don't make sense to show for non-sandboxed apps as they are only roxying dbus.

This package provides the power consumption settings of a Plasma shell.

This package provides a backend implementation for xdg-desktop-portal that is using Qt/KF5.

This package provides Breeze inspired Qt Quick Controls Style.

This package provides a Plasma applet for the Pass password manager.

This package provides a dedicated search application built on top of Baloo.

The plasma framework provides QML components, libplasma and script engines.

This package provides a touch friendly calendar application.

GTK+ port of the Breeze visual style for the Plasma Desktop. Breeze is the default theme for the KDE Plasma desktop.

This package provides interface to system firewall.

This package provides menu editor for Plasma Workspaces.

Qt component for the Wayland ql-layer-shell protocol.

This package provides interface to S.M.A.R.T. data of disks.

This package provides configuration UI for Plasma Desktop.

Aurorae is a themeable window decoration for KWin. It supports theme files consisting of several SVG files for decoration and buttons. Themes can be installed and selected directly in the configuration module of KWin decorations.

KNightTime provides helpers for scheduling the dark-light cycle. It can be used to implement features such as adjusting the screen color temperature based on time of day, etc.