chromDraw: an R package for visualization of linear and circular karyotypes.Species-specific sets of chromosomes-karyotypes-are traditionally depicted as linear ideograms with individual chromosomes represented by vertical bars.  The chromDraw graphical tool was developed as a user-friendly graphical tool for visualizing both linear and circular karyotypes based on the same input data matrix.  The tool is freely distributed under GNU General Public License (GPL) and can be installed from Bioconductor or from the chromDraw home page.
chromDraw
chromDraw: an R package for visualization of linear and circular karyotypes.Species-specific sets of chromosomes-karyotypes-are traditionally depicted as linear ideograms with individual chromosomes represented by vertical bars. 
R package
The tool is freely distributed under GNU General Public License (GPL) and can be installed from Bioconductor or from the chromDraw home page.
Bioconductor