Ext JS vs GeoCha
A side-by-side look at Ext JS and GeoCha. For an in-depth review of either product, follow the links below.
Ext JS
Development
Ext JS is a JavaScript framework for building data-intensive, cross-platform web applications for any modern device. It includes a comprehensive set of high-performance and customizable UI widgets.
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GeoCha
Education & Reference
GeoCha is a web-based geographic annotation tool that allows users to view satellite imagery and annotate locations with tags, comments, pictures, and drawings. It facilitates crowdsourced mapping.
crowdsourcingsatellite-imageryannotationmapping