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Unlike the rest of the items in this list, BBQPad.com is free. It's a social network for BBQ and grilling fans who want to document and track the progress of their cooks so that they can reproduce results and learn from their mistakes.
BBQPad allows you to log pit and individual food temperatures at every stage of your cooking process, and upload photos along the way.
The site is designed with a clean and efficient interface that allows for use on PC, tablet, and smartphone web browsers.