BatchGEO - Make maps from a list of multiple addresses, create a mobile optimized map or locator.
Snazzy Maps - Simple & Free To Use Themes for Google Maps
portatour - More customer visits, fewer miles: portatour® - the future of automatic sales-route planning for field sales reps, consultants, and service team members. Try it now for free!
Stamen Maps - Turn any OpenStreetMap location into a watercolor painting
Mapline - Spreadsheets have never made you look so good. Sure, you can buy an expensive business intelligence mapping software that requires a Ph. D to use. Or you can use Mapline to create a map from Excel spreadsheet data in seconds.
MapStyle - MapStyle is a huge library providing a plethora of options for styling the map with detailed customization support.