KDE Products
The KDE Frameworks
[QCH file]

Providing everything from simple utility classes to integrated solutions for common requirements of desktop applications
Platforms: Android (partial) | FreeBSD (partial) | Linux | macOS (partial) | Windows (partial)
KDecoration2
[QCH file]

Plugin based library to create window decorations.
Platforms: FreeBSD | Linux
KDE PIM
[QCH file]
KDE PIM provides set of libraries and application to access and manage personal information like emails, contacts, events, etc.
Platform: Linux
The KDiagram Libraries
[QCH file]

Libraries for creating charts and Gantt diagrams
Platforms: FreeBSD | Linux | macOS | Windows
KOpeningHours
[QCH file]

OSM opening hours expression parser and evaluator
Platforms: Android | FreeBSD | Linux | macOS | Windows
KOSMIndoorMap
[QCH file]

OSM indoor map QML component
Platforms: Android | FreeBSD | Linux | macOS | Windows
KWaylandServer
[QCH file]

Qt-style API to interact with the wayland-server API
Platforms: FreeBSD | Linux
KWeatherCore
[QCH file]

Query weather data
Platforms: Android | FreeBSD | Linux | macOS | Windows
KExiv2
[QCH file]

Wrapper around Exiv2 library to manipulate picture metadata as EXIF and XMP
Platforms: FreeBSD | Linux | Windows
LibKmahjongg
[QCH file]

For loading and rendering of Mahjongg tilesets and associated backgrounds
Platforms: FreeBSD | Linux | macOS | Windows
KompareDiff2
[QCH file]

Library to compare files and strings
Platforms: FreeBSD | Linux | Windows
Libksysguard
[QCH file]

Library to retrieve and display information on the current status of computer hardware
Platforms: FreeBSD | Linux
Qt Accessibility Client
[QCH file]

Accessibilty tools helper library, used e.g. by screen readers
Platforms: FreeBSD | Linux
Marble
[QCH file]

Marble framework, a library for maps, virtual globes and world atlases
Platforms: Android | Linux | macOS | Windows
Okular
[QCH file]

Okular, the unified document viewer
Platforms: Linux | macOS | Windows
Phonon
[QCH file]

Phonon, the Qt multimedia abstraction library.
Platforms: FreeBSD | Linux | Windows
PlasmaWaylandProtocols
[QCH file]

Provides the xml files of non-standard wayland protocols used in Plasma.
Platforms: FreeBSD | Linux
QCA
[QCH file]

QCA (Qt Cryptographic Architecture) provides a straightforward and cross-platform crypto API
Platforms: FreeBSD | Linux | Windows