BLAST Ring Image Generator (BRIG) is a cross-platform (Windows/Mac/Unix) application that can display circular comparisons between a large number of genomes, with a focus on handling genome assembly data.
If BRIG is used to generate figures for publication, please cite:
NF Alikhan, NK Petty, NL Ben Zakour, SA Beatson (2011). BLAST Ring Image Generator (BRIG): simple prokaryote genome comparisons.
BMC Genomics; 12 (1): 402. PMID: 21824423
BRIG can generate figures like this in a matter of minutes: