Workflow Engines

Apache OFBiz
The Apache Open For Business Project is an open source enterprise automation software project licensed under the Apache License Version 2.0. By open source enterprise automation we...
JBoss jBPM
Create business processes that coordinate people, applications, and services. Designed for SMB and large enterprise applications alike, JBoss jBPM brings process automation to a mu...
YAWL: Yet Another Workflow Language
YAWL (Yet Another Workflow Language) is an original and sophisticated workflow language developed at QUT's BPM research group in collaboration with Eindhoven University of Technolo...
XFLOW Process Management System
XFlow is a pure J2EE platform for building, executing and managing business processes and workflows. It is a basis for building collaborative applications as well as integrating pr...
Bonita
Bonita is a workflow/BPM solution for handing long-running, user-oriented workflows providing out of the box workflow functionalities to handle your business processes. Bonita i...
Bossa - a workflow engine written in Java
Bossa is a workflow engine written in Java. The engine is very fast and lightweight, uses a very expressive Petri net notation to define workflows, does not require a RDBMS and is ...
WfMOpen
WfMOpen is a J2EE based implementation of a workflow facility (workflow engine) as proposed by the Workflow Management Coalition (WfMC) and the Object Management Group (OMG). Th...
OSWorkflow
OSWorkflow is fairly different from most other workflow systems available, both commercially and in the open source world. What makes OSWorkflow different is that it is extremely f...
OpenWFE - open source workflow engine
OpenWFE is an Open source WorkFlow Engine. OpenWFE is released under a BSD license. It's written in Java but features access libraries for languages such as Python, Perl, Rub...
Enhydra Shark -Java Open Source workflow engine based on XPDL
The Enhydra Shark project delivers a workflow server with a difference. It is an extendable and embeddable Java Open Source workflow engine framework including a standard implement...