Liblancelot is a base framework for everything in the world of lancelot. it is built on top of plasma. it provides a set of custom widgets, layouts and has a few more advanced concepts for allowing for quicker development of plasma-based applications.

lancelot is an application launcher menu (or ali) for kde 4 designed to provide a place from which all your jobs begin. it provides quick access to applications, places, documents, contacts and system information.

this package contains the development headers that are needed to compile plasma widgets that use the lancelot library. it is part of the kde 4 plasma addons module.