Complete Invoicing Platform with Multi-Workspace Support and Source Code

Smart Invoice Manager is a complete invoicing and billing platform built for agencies, freelancers, and growing businesses. The system handles end-to-end billing workflows including customers, products, quotations, invoices, recurring billing, and payment processing. Features multi-workspace support, role-based access control, branded PDF exports, audit logs, and a secure customer portal. Delivered as ready-to-deploy Laravel + Vue source code with SQL database setup for quick installation and professional operations.