Emilio is looking for a good file management utility that has good accessibility features, chiefly via speech. He wants to be able to sort and make documents that are easily searchable. Evernote doesn't do it. Leo says they should.
DevonThink is very popular with researchers. It's a database he can put stuff into, and organize it. Microsoft's OneNote is free and it works pretty well also. Microsoft has a support document on how he can turn on accessibility in One Note here.
The chatroom says that Folder Lister for OS X is something to look into.