Modest Maps is described as 'small, extensible, and free library for designers and developers who want to use interactive maps in their own projects. It provides a core set of features in a tight, clean package with plenty of hooks for additional functionality' and is an app in the Travel & Location category. There are more than 50 alternatives to Modest Maps for a variety of platforms, including Android, Online / Web-based, iPhone, Android Tablet and iPad. The best alternative is OpenStreetMap, which is both free and Open Source. Other great apps like Modest Maps are Google Maps (Freemium), Google Earth (Free Personal), OsmAnd (Freemium, Open Source) and Organic Maps (Free, Open Source).
OpenStreetMap is a project aimed squarely at creating and providing free geographic data such as street maps to anyone who wants them. It is a free editable map of the whole world. It is made by people like you.
Google Maps is a basic web mapping service application and technology provided by Google. It offers street maps, a route planner for traveling by foot, car, or public transport and an urban business locator for numerous countries around the world.
Google Earth lets you fly anywhere on Earth to view satellite imagery, maps, terrain, 3D buildings, from galaxies in outer space to the canyons of the ocean. You can explore rich geographical content, save your toured places, and share with others.
With Street View you can explore the world at street level. Explore world landmarks, discover natural wonders, and step inside locations such as museums, arenas, restaurants, and small businesses with Google Street View.
2GIS provides 3D-maps of 180+ cities, contacts of 1.5 million companies, car routing and public transport routes and and more! 2GIS is a complete and up-to-date directory of organizations with detailed cities’ maps.