Mapsforge - Open-source, offline vector map library for Android and Java-based applications.
Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
AmCharts Javascript Maps - Interactive JavaScript maps for web sites and applications.
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
KML Converter - KML to KMZ, Geojson, Topojson, GPX, CSV, converter now available on the app store feel free to download because it's fully free. convert any compatible file format.