The best alternatives to Findmystore are Closeby, GiftHead, and StoreMapper. If these 3 options don't work for you, we've listed a few more alternatives below.
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Closeby is a modern store locator widget built on Mapbox. Easily embed the widget into any website, add your location details and give your users a beautiful experience right to your front door. Choose from a variety of custom theming options and add your branding color.