OpenHistoricalMap

Open Library

openlibrary.org

OpenStreetMaps

openstreetmap.org

FATMAP

fatmap.com

MapQuest

mapquest.com

Wikimapia

wikimapia.org

Mapstr

mapstr.com

Worldatlas.com

worldatlas.com

ArcGIS StoryMaps

storymaps.arcgis.com

Wikitravel

wikitravel.org

Nearmap

nearmap.com

World History Encyclopedia

worldhistory.org

Mappr

mappr.co

Atlas

atlas.co

HealthMap

healthmap.org

Openlayer

openlayer.com

OpenDota

opendota.com

Outdoor Project

outdoorproject.com

OpenStreetMap Wiki

wiki.openstreetmap.org

OpenGov

opengov.com

KartaView

kartaview.org

OpenLevelUp!

openlevelup.net

OpenGeofiction

opengeofiction.net

MoveMap

movemap.io

Maps Content Partners

contentpartners.maps.google.com