Apache CXF is an open source services framework. CXF helps you build and develop services using frontend programming APIs, like JAX-WS and JAX-RS. These services can speak a variety of protocols such as SOAP, XML/HTTP, RESTful HTTP, or CORBA and work over a variety of transports such as HTTP, JMS or JBI.
Tika 是一个内容抽取的工具集合(a toolkit for text extracting)。它集成了 POI, Pdfbox 并且为文本抽取工作提供了一个统一的界面。
TinkerPop是一种开源图计算框架，既可用于联机事务处理（OLTP），又可用于联机分析处理系统（OLAP）。它可以用于处理单一机器以及分布式环境的庞大数据
Apache Ignite is a horizontally scalable, fault-tolerant distributed in-memory computing platform for building real-time applications that can process terabytes of data with in-memory speed.
Jackrabbit Oak is a scalable, high-performance hierarchical content repository designed for use as the foundation of modern world-class web sites and other demanding content applications.
