HERE WeGo is described as 'Explore the world in glorious 3D with HERE Maps. Discover new places, collect your favourite places, plan the perfect journey, and sync it all with your mobile phones' and is a very popular Map service in the travel & location category. There are more than 50 alternatives to HERE WeGo for a variety of platforms, including Android, iPhone, Online / Web-based, Android Tablet and iPad. The best alternative is OpenStreetMap, which is both free and Open Source. Other great apps like HERE WeGo are Google Maps, Google Earth, OsmAnd and Organic Maps.
Bing Maps (previously Live Search Maps, Windows Live Maps and Windows Live Local) is a web mapping service provided as a part of Microsofts Bing suite of search engines and powered by the Bing Maps for Enterprise framework.
KeplerJs is a open source geosocial solution that lets users share favorite places and join discussions in real-time. It can be seen as a platform where users can interact with other open data platforms searching across OpenStreetMap, Geonames among other sources.
Modest Maps is a 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.
Doko Maps is a social networking service that enables you to explore, discover places shared by other members. Each user can create and organize a list of favorite places on map and share places with the community.