openstreetmap.org
OpenStreetMap is a free editable map of the whole world. OpenStreetMap allows you to view, edit and use geographical data in a collaborative way from anywhere on Earth.
geospatial.com/imagery
Topographic maps, geological maps, nautical maps, imagery. International, global coverage.
un.org/Depts/Cartographic/english/htmain
More than 100 General Maps are available currently. Maps are in PDF format for best display and print results.
LINK: http://www.un.org/Depts/Cartographic/english/htmain.htm
maps.yahoo.com
Yahoo Maps has got options like maps, directions, satellite view, traffic, weather. As of 24 October 2016, Yahoo Maps was no longer showing any data. However from June 2017, Yahoo Maps can still be accessed.
bing.com/maps
Bing Maps is a web mapping service provided as a part of Microsoft’s Bing suite of search engines and powered by the Bing Maps for Enterprise framework. Maps include certain points of interest built in, such as metro stations, stadiums, hospitals, and other facilities. It is also possible to browse public user-created points of interest.
viamichelin.com
Viamichelin is the European map specialists’ webpage includes standard map features with good European coverage.
mapquest.com
MapQuest is an American free online web mapping service owned by Aol. MapQuest has several travel products. MapQuest Discover is a site for finding interesting travel destinations, and Travel Blogs is a tool where users can publish photos and blog entries about their vacations and travel.
LINK: http://www.mapquest.com/
google.pl/maps
Google Maps provides directions, interactive maps, and satellite/aerial imagery of the United States as well as other countries. Can also search by keyword such as type of business.