from freshmeat: "bibmaster is a user interface to BibTeX databases. It is text-based and does not require a graphical interface. Features include direct use of the BibTeX format, the ability to add and edit entries, online help, search in any database field (using regexes), keyword editor enabling deletion and replacement of keywords in the database, produce a postscript file of selected entries, and the ability to read and write RIS files (used by ReferenceManager)." Read more here.