DEVONthink Pro Office doesn't have the beauty of Doo or a name that's even remotely decent from a marketing point of view, but it is a workhorse of a doc proces

DEVONthink Pro Office doesn't have the beauty of Doo or a name that's even remotely decent from a marketing point of view, but it is a workhorse of a doc processing engine. And it even syncs between multiple computers and Dropbox for your own private cloud. The only thing I'm missing now is an Android "client" for it.