• bibdoiadd.pl: add DOI numbers to papers in a given bib file,
• bibzbladd.pl: add Zbl numbers to papers in a given bib file,
• bibmradd.pl: add MR numbers to papers in a given bib file,
• bbl2bib.pl: convert thebibliography environment to a bib file,
• biburl2doi.pl: convert urls pointing to doi.org to dois
• ltx2crossrefxml.pl: a tool for the creation of XML files for submitting to crossref.org.

The author is Boris Veytsman. The package is Copyright © 2012-2017 Boris Veytsman.