draft – A LaTeX 2.09 style for supporting work on drafts
The package marks \label, \cite, \ref, \index and \glossary commands with a small mark in the text and with a marginal note of the label, citation or whatever itself.
Maybe you are interested in the following packages as well.
- annotation-pkg: Suppress or permit annotations to a document
- marnote: Place text in the margin of a document
- acmproc: Style option for ACM proceedings
- threecolumn: LaTeX output in three columns