BeaverDB might be a good fit if you don't mind that it's written in Java. I actually find myself using Valentina Studio these days. It's not open source, but it is free, and it's written in Qt, and is multi-platform. Jason On Oct 16, 2016 1:38 PM, H <agents at meddatainc.com> wrote: I am looking for an open-source database modeling tool, ideally to run under both CentOS and Windows. I have not used any such tool before so I would like to solicit suggestions. Thank you. _______________________________________________ CentOS mailing list CentOS at centos.org https://lists.centos.org/mailman/listinfo/centos