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Event Stream Intelligence

Complex Event Processing

Event Processing Language (EPL)
Open Source
Java and .Net
High Throughput, Low Latency
Highly Available (EsperHA)
Enterprise *ilities (Enterprise Edition)
Supported
Lightweight & Embeddable

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Esper - Open Source CEP

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Esper Enterprise Edition

Esper Enterprise Edition is available for download. Sign up for a trial

ProductVersionRelease date
Esper Enterprise Edition 3.5.0 June 21, 2010
Esper Enterprise Edition 3.4.0 March 20, 2010
Esper Enterprise Edition 3.3.0 December 18, 2009
Esper Enterprise Edition 3.2.0 September 8, 2009
Esper Enterprise Edition 3.1.0 May 19, 2009
Esper Enterprise Edition 3.0.0 February 11, 2009
Esper Enterprise Edition 2.3.0 November 10, 2008

EsperHA

EsperHA is available for download: Sign up for a trial

ProductVersionRelease date
EsperHA3.5.0 June 21, 2010
EsperHA3.4.0 March 20, 2010
EsperHA3.3.0 December 19, 2009
EsperHA3.2.0 September 8, 2009
EsperHA3.1.0 May 17, 2009
EsperHA3.0.0 February 11, 2009
EsperHA2.3.0 November 10, 2008
EsperHA2.2.0 September 3, 2008
EsperHA2.1.0 May 12, 2008
EsperHA2.0.0 March 23, 2008

Esper

The latest version of Esper is 3.5.0 and was released on June 21, 2010 .

ProductVersionRelease date
Esper3.5.0 (zip)
3.5.0 (tar.gz)
June 21, 2010
Esper3.4.0 (zip)
3.4.0 (tar.gz)
March 20, 2010
Esper3.3.0 (zip)
3.3.0 (tar.gz)
December 17, 2009
Esper3.2.0 (zip)
3.2.0 (tar.gz)
September 6, 2009
Esper3.1.0 (zip)
3.1.0 (tar.gz)
May 17, 2009
Esper3.0.0 (zip)
3.0.0 (tar.gz)
February 11, 2009
Esper2.3.0 (zip)
2.3.0 (tar.gz)
November 10, 2008
Esper2.2.0 (zip)
2.2.0 (tar.gz)
August 10, 2008
Esper2.1.0 (zip)
2.1.0 (tar.gz)
May 12, 2008
Esper2.0.0 (zip)
2.0.0 (tar.gz)
February 17, 2008
Previous releases