Tearline by NGA vs NLKMaps

Tearline provides open source intelligence to the public. The National Geospatial-Intelligence Agency (NGA) is partnering with expert non-profit groups to grow public-facing, authoritative open source intelligence on various strategic, economic, and humanitarian intelligence topics that tend to be under-reported within in-depth or long-form formats. Features • Content is open and available to the general public • Review all articles in chronological order or select a category of interest to view related articles • Article Overview feature highlights the analytic overview, activity intro, looking ahead focus areas and things to watch for next • Download the underlying structured data used in the articles, which are organized using simple color codes • Read content in chronological order in the Timeline feature • View infographics and visualizations summarizing the articles main content in the Graphs feature • Satellite imagery analysis available in articles

NLKMaps allows you to use multiple sources of maps in a single place, enabling syncing of the position among several maps. It’s impossible to achieve that using a browser. - Pick the map among available ones - Compare the maps - Enable or disable position sync - Search for locations - Set the tags (long-press) and export them as GeoJSON