KDE Frameworks 5 Tier 1 addon with various classes on top of QtCore
KCoreAddons provides classes built on top of QtCore to perform various tasks such as manipulating mime types, autosaving files, creating backup files, generating random sequences, performing text manipulations such as macro replacement, accessing user information and many more.
acquired package info from repodata DB: repodata/1878cc60a19e65efc93d1a539275c5a6799b0acbd7796ee105712c44cae47ab4-primary.sqlite.bz2
KConfigCore provides access to the configuration files themselves. It features centralized definition and lock-down (kiosk) support.
KDE Frameworks 5 Tier 3 integration module for Qt Designer
This framework provides plugins for Qt Designer that allow it to display the widgets provided by various KDE frameworks, as well as a utility (kgendesignerplugin) that can be used to generate other such plugins from ini-style description files.