Storm-Like Projects

- StreamBase http://www.streambase.com/
- ESper http://esper.codehaus.org/about/nesper/nesper.html
- HStreaming http://www.hstreaming.com/
- Yahoo S4 http://incubator.apache.org/s4/
- Storm http://storm-project.net/

StreamBase CEP enables the rapid development and deployment of real-time analytical applications, with pre-built integration for streaming and historical data, visualization engines and statistical tools. StreamBase LiveView is a push-based real-time analytics solution that enables business users to analyze, anticipate and alert on important business events in real-time, and act on opportunities or threats as they occur.
Esper and NEsper enable rapid development of applications that process large volumes of incoming messages or events. Esper and NEsper filter and analyze events in various ways, and respond to conditions of interest in real-time
Acting on real-time information correctly and quickly is what drives new business. HStreaming specializes in helping clients process, analyze, and store big data, so they can convert real-time data into real-time insights, and real-time insights into new business opportunities and savings.
Yahoo S4
S4 is a general-purpose, distributed, scalable, fault-tolerant, pluggableplatform that allows programmers to easily develop applications for processing continuous unbounded streams of data.

