Software Open access Published: 26 January 2011 VennDiagram: a package for the generation of highly-customizable Venn and Euler diagrams in R Hanbo Chen1 & Paul C Boutros1 BMC Bioinformatics volume 12, Article number: 35 (2011) Cite this article BackgroundVisualization of orthogonal (disjoint) or overlapping datasets is a common task in bioinformatics. Few tools exist to automate the generation of