PhenoPlot is a glyph-based visualisation toolbox that can represent up to 21 variables/features simultaneously. The toolbox is a Matlab toolbox with GUI and is aimed at cellular features extracted from cellular images but it can be used with any numerical data.
When using PhenoPlot, please cite the manuscript H. Z. Sailem, J. Sero, C. Bakal (2015) Visualizing cellular imaging data using PhenoPlot, Nature Communications