Smart Invoice Manager is a modern Laravel-based invoicing and billing system designed for small businesses, freelancers and agencies.

It provides a complete invoicing workflow including invoices, quotes and credit notes, combined with stock management, VAT configuration, professional PDF generation and a dedicated customer portal.

The application includes a clean admin dashboard and a separate customer area, allowing clients to securely access their invoices, documents and statements online. Monthly statements and payment reminders help streamline communication and reduce manual follow-ups.

Smart Invoice Manager is built with Laravel 11 and focuses on clean code, performance, and easy installation. An installer is included and no command-line access is required. The system is suitable for shared hosting or VPS environments.

Detailed documentation is included to guide you through installation, configuration and updates.

- Invoices, Quotes and Credit Notes
- Admin panel and Customer Portal
- Stock and product management
- VAT configuration and multiple tax rates
- Professional PDF invoice generation
- Monthly customer statements
- Payment reminders
- Multi-language ready (EN, EL, ES)
- Laravel 11 based
- Built-in installer
- Clean and responsive interface

- PHP 8.2 or higher
- MySQL 5.7+ or MariaDB 10.3+
- Apache or Nginx web server
- PHP extensions: BCMath, Ctype, Fileinfo, JSON, Mbstring, OpenSSL, PDO, Tokenizer, XML, DOM
- HTTPS recommended

1. Upload the files from the /upload folder to your server
2. Create a MySQL database
3. Open your browser and navigate to /install
4. Follow the installer steps
5. Login and start using the application

Full installation and update instructions are included in the documentation.