I'm using Forgotit?http://www.peppermind.com because I wrote it. However, it's not equivalently powerful - no syncing, no browser integration at all, etc.
It's also not open source so I don't recommend it to anyone but me. :-)
My gmail account is my password manager.
I click on the forgotten password every time I need to log in pretty much everywhere and paste in some random thing I typed in notepad
It's also not open source so I don't recommend it to anyone but me. :-)