On the desktop I use KeeWeb [1], which works great on both Linux and OS X, and I assume on Windows as well, on Android I use Keepass2Android [2], which is actually better than 1Password on Android btw, and on iOS I use MiniKeePass [3]. This last one is a little weak, but it works. All 3 are open source btw.

And seriously, it works better than I expected for $0.

What made me switch is their move to a subscription model. They pretend that the old licensing model will still be around, but if you pay attention, that's not true. The first thing they did for example is to get rid of the Mac-only license, in order to make subscriptions seem more competitive. And they also stopped developing standalone features. I'm a Linux user as well, I would have liked a Linux port. And the only sync option is Dropbox, but Google Drive or other options would have been nice.

On cloud syncing, I do syncing by means of Dropbox, but my Dropbox directory isn't a big target for hackers and at the very least I know how KeePass and GPG work, what ends up in my Dropbox being just an encrypted file. I don't know how LastPass and 1Password work, even though they claim the encryption is only client side, and frankly I don't care anymore.

[1] https://keeweb.info/

[2] http://keepass2android.codeplex.com/

[3] https://minikeepass.github.io/