Storm
Stream processing: Storm is a freeand open source distributed realtime computation system. Storm makesit easy to reliably process unbounded streams of data, doing for realtime processing what Hadoopd is for batch processing. LINK
Operational Database Management Systems
Stream processing: Storm is a freeand open source distributed realtime computation system. Storm makesit easy to reliably process unbounded streams of data, doing for realtime processing what Hadoopd is for batch processing. LINK
Stratosphere is an open-source system for Big Data Analytics that can be deployed in a local cluster using HDFS or in the Amazon cloud. The platform is jointly developed by TU Berlin, HU Berlin,...
A spreadsheet-like visualization tool now shipping with BigInsights Enterprise Edition: LINK