Calligra Flow
Calligra Flow ( formerly "Kivio" ) is free diagramming software that is a part of Calligra Suite , an integrated graphic art and office suite by KDE . 
<triplet> Calligra Flow <subj> Calligra Suite <obj> part of <subj> KDE <obj> developer <triplet> Calligra Suite <subj> Calligra Flow <obj> has part <subj> graphic art <obj> use <subj> KDE <obj> developer