AMarketPlace – Multi-Vendor Digital Marketplace SaaS | Next.js 16, React 19 and PostgreSQL

AMarketPlace is a production-ready, full-stack Multi-Vendor Digital Marketplace SaaS Platform built with the latest Next.js 16 (App Router), Tailwind CSS, React 19, and PostgreSQL.AMarketPlace Launch a premium digital code store similar to CodeCanyon, ThemeForest, or Creative Market. AMarketPlace is engineered for high performance using direct, lightweight PostgreSQL queries via the pg package, completely eliminating heavy ORM overhead. It features a robust Role-Based Access Control (RBAC) system, multi-vendor dashboards, verified purchases, automatic licensing, and a built-in helpdesk.Top FeaturesMulti-Vendor Seller Ecosystem Empower developers and creators to register, apply to become authors, and set up their digital storefronts. Authors can publish code packages, upload product versions (ZIP), write markdown documentation, and manage pricing tiers (Regular, Extended, and Premium).Comprehensive Admin Control Panel Complete control over your platform without touching code. Review and moderate product listings, approve author applications, process withdrawal payout requests, manage user accounts, check audit/security logs, and update system-wide settings in real-time.Secure Custom Authentication & Gated Middleware Enterprise-ready custom session management. Powered by JWT tokens stored in secure cookies with Next.js Middleware route protection. Automatic gating prevents unauthorized access to Admin, Author, and Buyer Dashboard pages based on user roles.Helpdesk Support Ticketing System Deliver support directly within the platform. Buyers can create support tickets categorized by topic (Technical, Billing, Design, Database) and set priority levels. Staff and authors can reply in real-time to resolve customer queries.Direct Buyer-Author Messaging Engine Facilitate transactions and pre-sale questions. An integrated conversation module allows buyers to open direct messages with authors, negotiate deals, request custom edits, or ask technical questions before and after buying.Automatic License Verification Safeguard digital products. Every successful purchase automatically generates a unique license key, logs download attempts in the database, and tracks license active/inactive status to prevent unauthorized sharing of code resources.Native Session & Visitor Analytics Analyze performance with built-in visitor metrics. The system registers individual visitor sessions, tracks browser user-agent types, and records project page views. Admins and authors can inspect daily, weekly, and monthly conversion metrics.Nodemailer SMTP Transactional Emails Deliver automated platform notifications. Send transactional purchase receipts, password reset links, and registration verification emails. Configured dynamically through the database settings panel using SMTP connection pools.Role-Based Access Control (RBAC) & Security Security and access policies built-in:Route Gating Middleware: Next.js middleware guards routes like /admin/* and /author/*, redirecting users without verified roles to the buyer dashboard.Safe Session Verification: Uses signed JWT session cookies containing user roles, preventing cookie tampering or session hijacking.Bcrypt Password Hashing: Secure storage of user authentication data using industry-standard bcrypt algorithm password hashes.Direct Database Security: Database queries parameterized to prevent SQL injection vulnerabilities.Dynamic Settings & Financial Control Complete control over system variables directly from the dashboard:AMarketPlace Plan & Commission Configurations: Set global commission cuts (e.g., 70% to authors, 30% to platform) processed automatically upon purchase.AMarketPlace Multi-Currency Symbol Settings: Easily adjust the primary platform currency and set real-time exchange rates (e.g., USD-to-INR conversions).AMarketPlace SMTP Gateways: Configure email host, port, username, password, and sender address dynamically.Author Payouts Control: Review withdrawal requests, manage payout details (PayPal email, banking credentials), and mark requests as pending, approved, or rejected.Audit Logging: Real-time logging of user activity and system events for easy moderation.Pre-configured Marketplace Categories Fully prepared stack categories ready to organize templates and scripts:JavaScript: Code snippets, libraries, visual plugins, and games.React / Next.js: Modern UI components, dashboards, and SaaS starters.WordPress: Custom themes, builders, and custom CMS extensions.PHP Scripts: Laravel boilerplates, backend APIs, and web apps.HTML5 / CSS: Responsive design pages, CSS stylesheets, and design portfolios.Mobile Apps: Native templates, Expo bundles, and Flutter modules.Admin Templates: Functional developer panels, dark mode layouts, and charts.Technical StackFramework: Next.js 16 (App Router)Frontend: React 19, Tailwind CSS, Shadcn UI, Lucide IconsCharts & Data: Recharts, Date-fnsDatabase: PostgreSQL via raw pg pool client connection (optimized direct queries with no ORM wrappers)Authentication: Custom JWT token session verification with secure cookie management