This article mentions that there is no native 1Password client for Linux and recommends some kind of dropbox workaround. While this probably true at the time of writing, Icculus recently wrote a native Linux client [1]. There's more details about it in this G+ post if you are interested:
With the exception of using the browser plugins, 1password works great in wine—I pointed it to my Dropbox folder and was able to read and write passwords.