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 Web-based, Android, iPhone, iPad and Windows apps. The best Modest Maps alternative is OpenStreetMap, which is both free and Open Source. Other great apps like Modest Maps are Google Earth, Google Maps, OsmAnd and Transportr.