The BLASTGrabber, BlastViewer and JAMBLAST program ordering BLAST hits according to high-scoring hit attributes. A) Hits are sorted according to e-values and bit scores along the horizontal and vertical axes in the BLASTGrabber matrix viewer. The average identity percentages are displayed inside the table cells. Heat map cell rendering has been applied, reflecting the identity percentage magnitudes. B) In the BlastViewer program, the hits for the selected query (“Seq 1”) are sorted by clicking on the corresponding column headers. C) The JAMBLAST program supports explicit multiple sorting, as indicated by the arrows shown in the corresponding column headers. Note the additional sorting on the query id column header necessary due to JAMBLAST displaying both query and hit information on the same table row.