KF5 Framework for searching and managing user metadata

https://api.kde.org/baloo-index.html

KF5 workspace and cross-framework integration plugins

https://api.kde.org/frameworkintegration-index.html

KF5 runtime and library to organize work in separate activities

https://api.kde.org/kactivities-index.html

KF5 statistics for activities

https://api.kde.org/kactivities-stats-index.html

KF5 library that provides classes for handling archive formats

https://api.kde.org/karchive-index.html

KF5 abstraction to system policy and authentication features

https://api.kde.org/kauth-index.html

KF5 library for bookmarks and the XBEL format

https://api.kde.org/kbookmarks-index.html

KDE calendar access library

https://api.kde.org/kcalendarcore-index.html

KF5 utilities for working with KCModules

https://api.kde.org/kcmutils-index.html

KF5 library for string manipulation

https://api.kde.org/kcodecs-index.html

KF5 text completion helpers and widgets

https://api.kde.org/kcompletion-index.html

KF5 widgets for configuration dialogs

https://api.kde.org/kconfig-index.html

KF5 widgets for configuration dialogs

https://api.kde.org/kconfigwidgets-index.html

KDE api to manage contact information

https://api.kde.org/kcontacts-index.html

KF5 addons to QtCore

https://api.kde.org/kcoreaddons-index.html

KF5 library to handle crash analysis and bug report from apps

https://api.kde.org/kcrash-index.html

DAV protocol implementation with KJobs

https://api.kde.org/kdav-index.html

KF5 addons to QtDBus

https://api.kde.org/kdbusaddons-index.html

KF5 library providing integration of QML and KDE Frameworks

https://api.kde.org/kdeclarative-index.html

KF5 extensible daemon for providing system level services

https://api.kde.org/kded-index.html

KF5 porting aid from KDELibs4

https://api.kde.org/kdelibs4support-index.html

KF5 integration of Frameworks widgets in Qt Designer/Creator

https://api.kde.org/kdesignerplugin-index.html

KF5 integration with su for elevated privileges

https://api.kde.org/kdesu-index.html

KF5 abstraction to system DNSSD features

https://api.kde.org/kdnssd-index.html

KF5 documentation generation from docbook

https://api.kde.org/kdoctools-index.html

KF5 library to convert emoticons

https://api.kde.org/kemoticons-index.html

KF5 library for extracting file metadata

https://api.kde.org/kfilemetadata-index.html

KF5 library to add support for global workspace shortcuts

https://api.kde.org/kglobalaccel-index.html

KF5 addons to QtGui

https://api.kde.org/kguiaddons-index.html

KDE library for calendar holidays

https://api.kde.org/kholidays-index.html

KF5 advanced internationalization framework

https://api.kde.org/ki18n-index.html

KF5 library for handling icons in applications

https://api.kde.org/kiconthemes-index.html

KF5 library for monitoring user activity

https://api.kde.org/kidletime-index.html

KF5 library providing support for additional image formats

https://api.kde.org/kimageformats-index.html

KF5 process launcher to speed up launching KDE applications

https://api.kde.org/kinit-index.html

KF5 resource and network access abstraction

https://api.kde.org/kio-index.html

QtQuick based components set

https://api.kde.org/kirigami2-index.html

KF5 models for Qt Model/View system

https://api.kde.org/kitemmodels-index.html

KF5 widget addons for Qt Model/View

https://api.kde.org/kitemviews-index.html

KF5 widgets for tracking KJob instance

https://api.kde.org/kjobwidgets-index.html

KF5 library providing an ECMAScript interpreter

https://api.kde.org/kjs-index.html

KF5 library for binding JavaScript objects to QObjects

https://api.kde.org/kjsembed-index.html

KF5 library for downloading application assets from the network

https://api.kde.org/knewstuff-index.html

KF5 abstraction for system notifications

https://api.kde.org/knotifications-index.html

KF5 configuration system for KNotify

https://api.kde.org/knotifyconfig-index.html

KF5 library to load and install packages

https://api.kde.org/kpackage-index.html

KF5 document centric plugin system

https://api.kde.org/kparts-index.html

KF5 library providing access to contacts

https://api.kde.org/kpeople-index.html

KF5 lightweight plotting framework

https://api.kde.org/kplotting-index.html

KF5 pty abstraction

https://api.kde.org/kpty-index.html