Freshmeat page: http://freshmeat.net/projects/enhydrashark
The 1.0 final version of open source workflow engine Enhydra Shark is released. Shark is an extendable Java workflow engine framework including a standard implementation completely based on WfMC and OMG specifications using XPDL (without any proprietary extensions !) as its native workflow process definition format and the WfMC "ToolAgents" API for serverside execution of system activities. It has well defined client interface, as well as its internal component interface. You can also look at Enhydra Shark's architecture. The project is hosted on ObjectWeb, it has a large community, very active mailing list and it is highly rated on ObjectWeb. To create XPDL definitions that can be executed by Shark, you can use opensource graphical Java workflow editor Enhydra JaWE.
This project has the following developers:
New HTML Parser: The long-awaited libxml2 based HTML parser code is live. It needs further work but already handles most markup better than the original parser.
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If you're a C programmer with some spare time, take a look at the mod_virgule project page and help us with one of the tasks on the ToDo list!