New versions at ttproducts.de. Documented in E-Book "Der TYPO3-Webshop" - Shop with listing in multiple languages, with order tracking, photo gallery, DAM, product variants, credit card payment and bank accounts, bill, creditpoint, voucher system and gift certificates. Latest updates at ttproducts.de.
Use the extension addons_tt_products to have example shop templates which support a checkbox for DSGVO / GDPR. The extension migration_core is needed for TYPO3 7.x .
First TYPO3 Onlineshop with a lot of functions. Has a Basket with multiple payment possibilities.