CMap-js Currently under beta testing: (Display and compare biological maps including genetic, physical, cytogenetic, genomic, linkage groups, chromosomes, scaffolds)
CSFLdb Map Viewer (Graphical tool for viewing and comparing genetic maps)
Whole genome feature viewers:
CViT (Chromosome Visualization Tool) is a Perl utility for generating images of features on a whole genome)
CViTjs (Javascript tool for quick whole-genome views)