From product list to order in one click. Supports WhatsApp, Telegram, Email, and SMS. No backend, no database, no monthly fees. Whatalog is a free, open-source Next.js template that turns Markdown files, CSV, XLSX and Google Sheets into a beautiful online store — installable as a PWA on any device. Your customers browse, add to cart, and send the complete order as a formatted message via WhatsApp, Telegram, Email, or SMS — directly from your site. Zero servers, zero databases, zero cost.