http://xerxes.calstate.edu/
Open-source interface for Ex Libris MetaLib, developed by Cal State. Improves the look and feel of Ex Libris’ MetaLib product, and allows you to create subject-specific database pages

Requires purchase of the X-Server add-on to MetaLib.

Here is what MetaLib looks like "out of the box", without Xerxes:

Here is what MetaLib looks like with the Xerxes interface:

Articles / blog posts