Apache UIMA enables applications to be decomposed into components.UIMA additionally provides capabilities to wrap components as network services, and can scale to very large volumes by replicating processing pipelines over a cluster of networked nodes.
Apache Calcite is an open source framework for building databases and data management systems. It includes a SQL parser, an API for building expressions in relational algebra, and a query planning engine.
VRaptor 4 delivers high productivity to your Java Web applications on top of CDI. VRaptor is an opensource MVC framework with a large developers and users community.
Apache Allura is an open source implementation of a software forge, a web site that manages source code repositories, bug reports, discussions, wiki pages, blogs, and more for any number of individual projects.
Apache ORC is a self-describing type-aware columnar file format for Hadoop workloads.
Apache Lucene, our flagship sub-project, provides Java-based indexing and search technology.
Community-led development since 1999. FoundationProjectsPeopleGet InvolvedDownloadSupport ApacheHome. We consider ourselves not simply a group of projects sharing a server, but rather a community of developers and users.