I'm always interested in these kinds of data. A few months ago, I was looking at different open sources to geocode a lot of addresses around the world. I have

I'm always interested in these kinds of data. A few months ago, I was looking at different open sources to geocode a lot of addresses around the world. I have tried openstreetmap and some VM from datasciencetoolkit - both have poor results. Are there other sources aside from Google? Google appears to be the most accurate.