Kipi (KDE Image Plugin Interface) is an effort to develop a common plugin 
structure for Digikam, KimDaBa, Showimg and Gwenview. Its aim is to share 
image plugins among graphic applications. 

This is a set of plugins using Kipi for KDE 4.2 and higher.

WWW: https://projects.kde.org/projects/extragear/graphics/kipi-plugins