MEGAN is a MEtaGenome ANalyzer. It can read Blast output. Normally this program would be run on your own desktop, but MEGAN is a memory hog, and some desktop systems may not have enough memory to handle a large dataset.
MEGAN was developed by D. H. Huson et al at U. Tübingen. MEGAN websiteMEGAN is a graphical (GUI) program. To run MEGAN on Helix, set up an X-windows connection to Helix, and type 'megan'.