OPEN ERP

A free, open-source Enterprise Resource Planning (ERP) system designed for any company. Handles Finance, Inventory, Sales, HR, and Project Management with GST-compliant document generation.

🚀 Features

• Dashboard: Real-time KPIs and quick actions
• Finance: Invoicing, Payments, Accounts Receivable/Payable, P&L Reports
• Inventory: Products, Stock Levels, Warehouses, Purchase Orders
• Sales & CRM: Leads, Opportunities, Sales Orders, Quotations
• HR: Employee Management, Payroll, Leave Management, Attendance
• Projects: Task Management, Time Entries, Gantt Charts, Billing
• Reports: PDF/Excel exports, Financial statements, Charts

📄 Document Templates

Professional GST-compliant templates for:

• Purchase Order (PO)
• Proforma Invoice (PI)
• Tax Invoice
• Delivery Challan
• Payment Advice

E-Invoice & E-Way Bill: Direct links to official government portals.

🛠 Technology Stack

Component	Technology
Backend	Node.js, Express.js
Database	PostgreSQL (Sequelize ORM)
Session/Cache	Redis
Frontend	EJS, Bootstrap 5
PDF Generation	PDFKit
Charts	Chart.js, Frappe Gantt

🔒 Security

• Role-Based Access Control (RBAC)
• CSRF Protection
• Helmet Security Headers
• Bcrypt Password Hashing
• Input Validation

📦 Quick Start

# Clone repository
git clone <repo-url>
cd OPEN_ERP

# Install dependencies
npm install

# Configure environment
cp .env.example .env

# Start development server
npm run dev

🐳 Docker

docker-compose up -d --build

📁 Project Structure

├── models/       # Sequelize database models
├── views/        # EJS templates
├── routes/       # Express route handlers
├── services/     # PDF, Excel, Notification services
├── middleware/   # Auth, validation, error handling
├── public/       # Static assets
└── config/       # Configuration files

📋 Default Login

Role	Email	Password
Admin	admin@openerp.com	admin123

📜 License

MIT License - Free for personal and commercial use.

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OPEN ERP - Enterprise Resource Planning for Everyone