• authblk, which permits footnote style author/affiliation input in the \author command,
• balance, to balance the end of \twocolumn pages,
• figcaps, to send figure captions, etc., to end document,
• fullpage, to set narrow page margins and set a fixed page style, and
• sublabel, which permits counters to be subnumbered.

The author is Patrick W. Daly. The package is Copyright © 2001 Patrick W. Daly.