If you are looking for a cataloguer under Linux you've found it. At this time the program only has basic features, but I'm using it and I plan to use it in the future, so be sure that it's going to be improved. I'm also opened to feature requests.
Copyright ©2003- Jorge Nadal Monzonís
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.