Opal 
Opal is OBiBa’s core database application for biobanks or epidemiological studies.
Documentation
Download
See download and installation instructions Opal Installation Guide
Bug tracker
Have a bug? Please create an issue on OBiBa JIRA.
Continuous integration
See OBiBa Jenkins.
Mailing list
Have a question? Ask on our mailing list!
http://groups.google.com/group/obiba-users
License
OBiBa software are open source and made available under the GPL3 licence. OBiBa software are free of charge.
OBiBa acknowledgments
If you are using OBiBa software, please cite our work in your code, websites, publications or reports.
"The work presented herein was made possible using the OBiBa suite (www.obiba.org), a software suite developed by Maelstrom Research (www.maelstrom-research.org)"