KeplerJs is described as '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' and is a GPS Navigation service in the travel & location category. There are more than 25 alternatives to KeplerJs for a variety of platforms, including Android, Web-based, iPhone, Android Tablet and iPad apps. The best KeplerJs alternative is OpenStreetMap, which is both free and Open Source. Other great apps like KeplerJs are Google Maps, OsmAnd, MAPS.ME and HERE WeGo.
Offline maps with monthly updates, detailed OpenStreetMap data, turn-by-turn and voice navigation in nine languages, GPS track recording even in background, multilingual instant search, millions of POI, support for driving, cycling, walking, and customizable trip routes.
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.
Planet Labs is the most popular commercial alternative to KeplerJs.
Universal Maps Downloader is a tool that help you to get small tile images from online maps:
GeoNode is a web-based application and platform for developing geospatial information systems (GIS) and for deploying spatial data infrastructures (SDI).
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