The ActiveBPEL(tm) engine is a Business Process Management (BPM)
runtime environment for executing process definitions created to the
Business Process Execution Language for Web Services (BPEL) 1.1 spec.
It is written in Java and released under the GPL.

Version 2.0  of the ActiveBPEL(tm) engine is now available at
http://www.activebpel.org/download/. The release notes are available at
http://www.activebpel.org/download/release_notes.php.

ActiveBPEL.org LLC announces the final release of version 2.0 of the
ActiveBPEL(tm) engine.  This version of the ActiveBPEL engine includes
significant improvements in performance and functionality as well as
numerous bug fixes.  Highlights of the new functionality include
additional activities (For Each, Break and Continue), support for
publishing processes as RPC Literal, the ability to map to and from
SOAP Headers and set retry parameters (using WS-Policy assertions) for
specific endpoints.

Also be sure to download a FREE, fully functional copy of the
ActiveBPEL Designer at
http://www.active-endpoints.com/products/activebpeldes/download.html !