KeePassX is an application for people with extremly high demands on secure personal data management. It has a light interface, is cross platform and published under the terms of the GNU General Public License. More info »
I don't new a nice design, I need a software which works perfect. And this is one of those and it's also open-source. Great!
Good that it's cross platform; bad that it's, well, rather ugly. On Windows I'll use KeePass 1.x, but this does the job well on Mac and Linux.
