MAPS.ME is described as 'Offers the quickest offline maps of all the countries of the world. Travel with full confidence: wherever you are, MAPS.ME addresses all your offline mapping needs' and is a very popular GPS Navigation service in the travel & location category. There are more than 50 alternatives to MAPS.ME for a variety of platforms, including Android, Web-based, iPhone, iPad and Android Tablet apps. The best MAPS.ME alternative is CoMaps, which is both free and Open Source. Other great apps like MAPS.ME are OpenStreetMap, Organic Maps, Google Maps and OsmAnd.
Métro is your free guide on PDA to public transport systems (buses,metro,tram,trains). 400 cities are covered now worldwide: http://metro.nanika.net/MetroV-en.html .
Want to plan a road trip with your friends? Plot Along provides a modern collaborative route planning experience on any device.
United States
A lightweight, private, and fully customizable map app based on OpenStreetMap. Change your perspective, plan routes, explore areas in 3D, and export views without tracking.
Poland
EU
CityGuide is a next-generation offline GPS navigator that offers maps from various vendors, including OSM (OpenStreetMap), HERE (NOKIA) maps, CityGuide maps, and other high-quality maps from national producers.
Russia
Explore developer resources and start building your own applications using Planet's data and tools. Transform daily satellite imagery into intelligent analytic feeds to index objects and change.
