It seems that this highly rated program that sells for $70 is being offered for a limited time free of charge. It's called Easeus and I've checked a couple of review sites and they seem to be fairly positive about it. EASEUS Data Recovery Wizard Giveaway: Get the Data Recovery Software Full Version for FREE

I did not install EASEUS, as I only run one partition on my systems, there is a warning about that during installation so please be vigilant if you do want to install.