Next.js MERN Stack AI App 2026: SaaS Directory Website

Full-stack guide to building a scalable AI-powered SaaS directory using Next.js, Node.js, MongoDB, Redux Toolkit & Gemini AI automationAre you ready to build a real, profitable, production-grade SaaS application from scratch?In this hands-on course, you'll learn how to develop a complete SaaS Directory Platform—the same kind of system used by marketplaces like Product Hunt, SaaS DirectoryThis course isn’t just theory. You’ll build a full-stack SaaS app step-by-step using modern technologies:Next.js 15 (App Router, Server Actions, API routes)Node.js  backendMongoDB & MongooseRedux Toolkit for state managementGemini AI for automation, content generation & workflow intelligenceAuthentication + Payments + Admin DashboardFully responsive UI with modern designLive Chatting What You Will BuildYou’ll create a complete SaaS Directory Website that allows users to:Browse SaaS tools Filter by category, pricing, location, and features Add & manage listings Use AI to generate listing descriptions automaticallyBuild authentication (login+register with NextAuth) Manage data with an advanced admin dashboard Handle user subscriptions & paid listings Send automated AI-powered emails and summaries,Real time messagesThis is a real-world project, perfect for your portfolio. What You Will Learn Frontend (Next.js 15)Building pages with the App RouterUsing Server Components & Client Components correctlyBuilding dynamic routes for listings