Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
Baidu Map API - Baidu Maps is a desktop and mobile web mapping service, offering satellite imagery, street maps and indoor views
QGIS - QGIS is a desktop geographic information system, or GIS.
eeGeo - eeGeo offers dynamic 3D maps for Android, iOS and WebGL.
Paintmaps.com - Online map charts generating tool.
ArcGIS - ArcGIS software is a data analysis, cloud-based mapping platform that allows users to customize maps and see real-time data ranging from logistics support to overall mapping analysis.