Mac OS X BibTeX manager.
Cloister is a Mac OS X application (Objective-C/Cocoa) designed to keep track of technical papers. It allows PDF versions of the papers to be stored alongside their BibTeX information and eases the task of generating and maintaining BibTeX databases and citations for your LaTeX documents.
Cloister makes use of btparse, part of the LGPL btOOL project, and SQLite which is in the public domain. Cloister is released under the GNU General Public License (GPL).