MrGeo (MapReduce Geo) is a geospatial toolkit designed to provide raster-based geospatial capabilities that can be performed at scale. MrGeo is built upon the Hadoop ecosystem to leverage the storage and processing of hundreds of commodity computers.
Development discussion channel for UNICEF Office of Innovation projects
Fast GIS data store, spatial index, and realtime geofence. (Please contribute your use case to https://github.com/tidwall/tile38)