# Welcome to osgEarth! osgEarth is a 3D mapping SDK for OpenSceneGraph. * Get a 2D or 3D map up and running quickly and easily using one simple XML file * Visualize massive amounts of imagery, elevation data, and vector features * Use open-standards map data services like WMS, TMS, and GeoTIFF * Work locally or over the Internet * Develop applications using a full-featured C++11 API Let's get started! * [Installation](install.md) * [Building the SDK](build.md) * [The Earth File](earthfile.md) * [Working with Data](data.md) * [Layer Reference](layers.md) * [FAQ](faq.md) * [Release Notes](releasenotes.md) * [Upgrade Guide: from 2.x to 3.x](3.0_upgrade_guide.md) * [Getting Support](support.md) * [License](license.md) osgEarth is maintained by your friends at [Pelican Mapping](http://pelicanmapping.com).