Debellor

Debellor is an open source Java framework for scalable data mining and machine learning. You may implement your own algorithms in Debellor’s architecture and combine them with pre-existing ones to create complex data processing networks and experimental setups. The unique feature of Debellor is data streaming, which enables efficient processing of massive data and is essential for scalability of algorithms.
Find Debellor at: http://www.debellor.org