OW2 Orchestra

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OW2 Orchestra
Developer(s) OW2
Stable release
4.9.0 / January 23, 2012 (2012-01-23)
Development status Active
Written in Java
Operating system Cross-platform
License LGPL
Website http://orchestra.ow2.org/

OW2 Orchestra is open source software for orchestration of web services.

It is WS-BPEL 2.0 compliant. It organizes web services calls following a process description written in the BPEL XML grammar. It has a graphical editor and an administration console.


  • Supports WS-BPEL 2.0 specifications
  • Supports several communication layers: one based on Axis (Web Services http transport) and another one based on the CXF
  • Distribution package as OSGi bundle
  • Hot-deployment of processes
  • API to administrate and monitor processes, instances and messages
  • Web 2.0 Administration Console