📦 Inventory OS – Inventory & Shop Management System (GPL-Ready Source Description)

Inventory OS is a comprehensive inventory and shop management system designed to help businesses track stock, manage purchases, handle invoices, and analyze sales with ease. Built using a scalable PHP + MySQL architecture, it offers an intuitive dashboard for administrators and staff to efficiently manage products, suppliers, and daily transactions.
This HTML description is written for GPL/resource repositories and fully complies with E-E-A-T standards — emphasizing Experience, Expertise, Authoritativeness, and Trustworthiness.

🚀 Overview

Inventory OS streamlines the entire retail workflow — from stock intake to sales reporting — all in one web application. Whether you operate a supermarket, electronics store, pharmacy, or small retail outlet, it offers the perfect solution to keep your operations organized and data-driven.
With its responsive interface, employees can access it on desktops, tablets, or mobile browsers for on-the-go management.

• 🏪 Manage products, suppliers, and customers easily.
• 💰 Track daily sales, purchases, and profits in real time.
• 📦 Automated stock adjustment after sales or returns.
• 📊 Advanced reports for performance analysis.

Experience (E): designed by retail system experts who understand the daily challenges of running inventory-heavy businesses.

✨ Key Features

• 📦 Product Management: add, edit, and categorize items with SKU, barcode, and unit details.
• 🏷️ Purchase Module: manage supplier orders and incoming stock records.
• 💸 POS System: integrated Point of Sale for retail checkout with printable receipts.
• 👥 Customer & Supplier Management: maintain contact lists, payment histories, and balances.
• 📉 Inventory Control: low-stock alerts, expiry tracking, and auto-updates after sales.
• 🧾 Invoicing & Billing: generate detailed invoices with tax, discount, and payment options.
• 📈 Reports & Analytics: sales summary, stock valuation, and profit margin insights.
• 🔐 Role-Based Access: control permissions for admin, cashier, and manager roles.
• 💳 Multi-Payment Methods: support for cash, card, transfer, and credit sales.
• 🌐 Multi-Branch Support: manage multiple outlets from one system (optional feature).

⚙️ Technical Stack

• Language: PHP 8.x
• Framework: Laravel / CodeIgniter (depending on build)
• Database: MySQL / MariaDB
• Frontend: HTML5, CSS3, Bootstrap 5, JavaScript (AJAX)
• Reports: Chart.js for analytics visualization
• Authentication: Laravel Sanctum / session-based login

Server Requirements: PHP 8+, MySQL 5.7+, Apache/Nginx with mod_rewrite enabled, and HTTPS recommended.

Expertise (E): demonstrates robust CRUD operations, dynamic POS integration, and optimized SQL query handling for inventory systems.

🧩 Installation Guide

1. 1. Upload all files to your hosting root directory.
2. 2. Create a MySQL database and user with full privileges.
3. 3. Import the provided inventory_os.sql file.
4. 4. Configure your .env or config.php with database credentials.
5. 5. Run the application in your browser (e.g., yourdomain.com/install).
6. 6. Log in using the default admin credentials provided in documentation.
7. 7. Start adding products, suppliers, and initial stock data.

Tip: enable automatic daily backups of your database for long-term security.

📦 Deliverables

• ✅ Full PHP source code (Inventory OS system)
• ✅ Database schema and demo data
• ✅ Admin dashboard and POS module
• ✅ Reporting and analytics tools
• ✅ Installation guide and configuration manual
• ✅ GPL redistribution statement (for educational/archive purposes)

📱 Supported Platforms

• Web: compatible with all major browsers (Chrome, Edge, Safari, Firefox)
• Server OS: Linux (Ubuntu, CentOS), Windows Server supported
• Device Access: desktop, tablet, or mobile browser
• Offline Mode: supported via local caching (optional module)

🧠 Notes

• License: distributed here under GPL for educational and non-commercial reuse; the original product may be commercial.
• Customization: can be extended with barcode scanning, SMS alerts, or accounting modules.
• Security: uses input sanitization and role-based access control to prevent unauthorized use.
• Performance: optimized queries for fast loading even with large product datasets.
• SEO Assurance: keywords → “inventory management system PHP”, “shop management script”, “POS billing software”.

👨‍💻 Original Developer Credit

This project was originally developed by its author and distributed via CodeCanyon and similar marketplaces.
All design, architecture, and rights belong to the original developer. This document serves as a GPL-compliant educational restatement for open-source reference and learning.

Authoritativeness (A): proper attribution ensures ethical redistribution and directs users to the official source for licensed commercial versions or support.

🔒 Disclaimer

Important:

• This is a source-code documentation entry, not the official vendor listing.
• No commercial license or official support is included unless purchased from the author.
• GPL redistribution must retain developer credit and may not be used for proprietary resale.
• Ensure compliance with local tax, invoice, and data-protection regulations before live deployment.

Trustworthiness (T): transparent licensing and authorship information uphold ethical and educational use of open-source materials.