Homepage: http://www.vistrails.org
VisTrails is an open-source data analysis and visualization tool. It provides a comprehensive provenance infrastructure that maintains detailed history information about the steps followed and data derived in the course of an exploratory task: VisTrails maintains provenance of data products, of the computational processes that derive these products and their executions.
For more information, take a look at the documentation, the users guide, or our publications.
Binary releases are available on our download page. To report bugs, please use the github issue tracker, after checking our FAQ for known issues.
Who we are: http://www.vistrails.org/index.php/People