it's not the official client from AgileBits, but it works very well.
This is how to get 1Password running on Linux
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clone the source
hg clone http://hg.icculus.org/icculus/1pass/
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cmake -DCMAKE_BUILD_TYPE=Release .
(you might need to install these packages: cmake libxtst-dev libgtk2.0-dev libglib2.0-dev libglade2-dev) -
make
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create symbolic link from Dropbox to it directory
ln -s ~/Dropbox/1Password .
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Run it by
1pass
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check for updates by
hg pull
source: https://plus.google.com/+RyanGordon/posts/ZFyb9TQS9zB
image source: https://www.flickr.com/photos/ul_marga/755378645