Spatial4j is a general purpose spatial / geospatial ASL licensed open-source Java library. It's core capabilities are 3-fold: to provide common geospatially-aware shapes, to provide distance calculations and other math, and to read shape formats like WKT and GeoJSON.

Elasticsearch subproject :server

Apache Solr (module: core)

Apache Solr (module: test-framework)

OpenCms is an enterprise-ready, easy to use website content management system based on Java and XML technology. Offering a complete set of features, OpenCms helps content managers worldwide to create and maintain beautiful websites fast and ...

JanusGraph Core: Core Library For JanusGraph

Parent POM for all RDF4J storage and inferencing libraries

GeoMesa Utils

Apache Solr (module: analysis-extras)

StackableSail API offering full-text search on literals, based on Apache Lucene.

Query algbebra implementations to support the evaluation of GeoSPARQL.