Ovid Statistics Log Report Generator is a perl script that produces usage reports from Ovid log statistics. See the project page for more.
as seen at freshmeat: "Some bugs were fixed, minor GUI changes, documentation was added to dbflat.pm class." For more see the BioMail page.
bp is a freely licensed perl package for manipulating and accessing bibliographic information. It supports bibtex, refer, endnote, procite, inspec, medline and other formats for input/output/conversion. I emailed the author as the bp homepage does not seemed to have changed in two years... will post any response as a comment.