Small Business OS — Offline Business Management App
Run Your Small Business. All in One Place.
Small Business OS is a complete offline business management app designed for small retailers, online sellers, home businesses, product sellers, service businesses, and entrepreneurs.
Manage customers, products, suppliers, sales, purchases, inventory, invoices, payments, income, expenses, tasks, and business reports from one professional workspace.
Everything Your Business Needs
- Customer Management
- Lead Management
- Product Management
- Category Management
- Supplier Management
- Sales Management
- Sales Returns
- Purchase Management
- Purchase Returns
- Inventory Management
- Invoice Management
- Payment Tracking
- Income Tracking
- Expense Tracking
- Employee Directory
- Task Management
- Business Reports
Powerful Business Dashboard
Monitor your business from one dashboard with sales, gross profit, net profit, receivables, payables, inventory value, low-stock products, recent sales, purchases, payments, and business activity.
Inventory Management
Track products, SKUs, barcodes, purchase costs, selling prices, stock quantities, minimum stock levels, reorder levels, and stock movements.
Inventory is automatically updated when sales, purchases, returns, or stock adjustments are completed.
Sales & POS-Style Checkout
Create sales quickly using product search, SKU, or barcode. Add customers, quantities, discounts, taxes, and payment methods, then complete the transaction with automatic inventory updates.
Purchases & Suppliers
Manage suppliers and purchase transactions while keeping inventory and supplier balances organized.
Invoices & Payments
Create professional invoices, track due dates and balances, record payments, and monitor outstanding receivables.
Business Income & Expenses
Track additional business income and expenses separately from product sales to keep your business records organized and avoid double-counting revenue.
Business Reports
- Sales Report
- Purchase Report
- Gross Profit Report
- Net Profit Report
- Inventory Report
- Inventory Valuation
- Low Stock Report
- Product Performance
- Customer Sales
- Supplier Purchases
- Expense Report
- Income Report
- Receivables
- Payables
- Payment Report
100% Offline & Private
No server. No account. No subscription. No cloud.
Your business data is stored locally in your browser and is not transmitted to PRACOVA.
Backup & Restore
Export your complete business workspace as a JSON backup and restore it whenever needed.
What's Included
- Small Business OS v1.0.0
- Offline Web Application
- Demo Business Workspace
- Quick Start Guide
- User Guide
- README
- Commercial Digital Product License
Demo Business Included
Explore the application immediately with a realistic fictional business workspace containing customers, leads, products, suppliers, sales, purchases, inventory movements, invoices, payments, income, expenses, employees, and tasks.
System Requirements
- Windows, macOS, or Linux
- Modern web browser
- Chrome, Edge, Firefox, or Safari
- No internet connection required after download
How It Works
- Download the ZIP file.
- Extract the ZIP.
- Open the app folder.
- Double-click index.html.
- Choose Start with Demo Data or Start Fresh.
Important Information
This is a digital download. No physical product will be shipped.
Your business data is stored locally in the browser. Export a backup before moving the application folder or switching browsers.
Tax calculations are provided for business organization purposes only and may not reflect your local tax requirements.