OpenLayers

OpenLayers is a JavaScript library for displaying or editing geospatial data in any modern desktop or mobile web browser. OpenLayers has been developed to further the use of geographic information of all kinds and can display or manipulate tiles and features from almost any source.

Features

• Overlay multiple standards-compliant map layers into a single application
• Displays tiles and features from a variety of sources, including OGC tile standards, Google Maps, Bing Maps, OpenStreetMap, ArcGIS Server, and more
• Vector feature support for OGC WFS, KML, GeoJSON, GML, and more
• Web-based editing, including feature snapping and splitting, via OGC WFS-Transactional
• Pluggable with many JavaScript toolkits, including jQuery, AngularJS, Ext, and more
• Support for many cartographic projections and client-side map reprojection

Building web applications with OpenLayers

Use the Boundless SDK to build complete web applications using OpenLayers 3 and GeoServer.

You can also find and download the pure OpenLayers API at http://www.openlayers.org.