Workflows

workflows: http://pipes.yahoo.com/pipes/pipe.edit?_id=avkEShi32xG_EF6KZVUMqA is the interfaces uses work with (very javascripty) to create 'workflows' of a sort, and http://pipes.yahoo.com/pipes/pipe.info?_id=avkEShi32xG_EF6KZVUMqA is a representaion of the output. (The actuall output is just an RSS feed)

http://g2.trac.bx.psu.edu/ is called Galaxy and an example system is at with http://main.g2.bx.psu.edu/ but this is very biology specific