http://www.boxcryptor.com/ does client-side encryption for DropBox.

Runs on Win, Mac, Linux, iOS, Android.

I've looked at this previously but

* It seems to be closed source

* The German government is involved (Close friends with the US)

Yes, it is closed source.

The German gov is involved?! Ha ha, the North Koreans as well?

whoever chose the pics has a fascination with prostitutes

And segways.

But at least in the ones I saw, never together.

99% of my net worth is in my business which I started 10 years ago. I am still young therefore I trade personal diversification against business independence. Eventually I will have to change that.