I would like to know the tools to create an ER diagram similar to the one shown on the site below.

I'm looking for a tool to generate an ER diagram of the appearance on the site below.
I would appreciate it if you could let me know if you know.

http://geneontology.org/sites/default/files/public/diag-godb-er.jpg

Instead of looking for ER diagram generation software,
We are looking at what tools generate ER diagrams that look the same as the above sites.