The Best Free and Open-Source POS Software Tools for Your Business

Point of sale (POS) software has become an essential tool for businesses of all sizes and industries to efficiently manage transactions, sales, inventory, and day-to-day operations. However, quality POS systems often come with high costs in the form of software licenses, subscriptions, and hardware purchases. This can place a significant financial burden on small businesses and startups looking for an affordable POS solution.

Fortunately, free, and open-source POS software provides a viable alternative to expensive proprietary systems. Free POS systems have the same core features as paid solutions, such as inventory management, employee management, reporting, and customer management. Developers can modify and improve the software because the source code is openly shared.

Opting for open-source POS software has many potential benefits for small businesses. Firstly, the lack of licensing, subscription fees, or royalty payments helps minimize upfront costs substantially. Although purchasing hardware and support services may incur costs, users can freely use and distribute the software. This makes it ideal for new companies with limited budgets.

Secondly, having full access to the source code enables businesses to customize and scale their POS systems as needed. Developers can add new features, integrate with other software, and optimize performance for specific business needs. Rather than being limited to a vendor’s functionality, businesses have control over shaping the system.

Lastly, community support helps drive continuous improvements, updates, and innovations for open-source POS software. Thousands of developers around the world collaborate to fix bugs, develop features, and optimize usability. This also provides users with complete transparency about how their system operates.

List of Free & Open-Source Point-Of-Sale Software Tools

  1. Floreant POS
  2. UniCenta oPOS
  3. Lightspeed POS
  4. Talech Register
  5. POSitive
  6. Openbravo POS
  7. Odoo POS

1. Floreant POS

Floreant POS is an open-source, Java-based point of sale system designed specifically for restaurants, cafes, and quick-service businesses. It provides a customized interface to streamline front-end order taking as well as back-end features like menu management, floor plans, reservation booking, delivery management, and reporting.

Features of Floreant POS

  • Table Management: Floreant makes it easy to visualize floor plans, track table occupancy, and optimize seating.
  • Menu Management: The system enables restaurants to organize menus, modifiers, categories, and options. This makes taking and transmitting orders seamless.
  • Staff Management: Managers can define staff roles, permissions, assignments, and evaluate performance based on data like sales and walkouts.
  • Order Management: Servers can input orders through an intuitive interface, which directly sends the orders to the kitchen or bar. Floreant tracks preparation times and order history.
  • Reservation Management: The software lets restaurants book tables ahead of time and maintain a waitlist with customer details.
  • Reporting: Floreant generates 35+ detailed reports on sales, taxes, voids, discounts, inventory, and more. You can export data to Excel.

With a user-friendly interface and robust restaurant-focused capabilities, Floreant POS is a free alternative to paid platforms like Aloha and Squirrel.

2. UniCenta oPOS

UniCenta oPOS is a Java-built open-source point-of-sale system that is ideal for retail, hospitality, and service-based businesses. It provides an intuitive touchscreen interface for cashiers to quickly process orders and payments. For managers, UniCenta enables centralized oversight of inventory, purchasing, reporting, and employees.

Features of UniCenta oPOS

  • Intuitive Interface: UniCenta provides a touchscreen point of sale interface that is simple for staff to quickly learn and use.
  • Central Management: Managers can access real-time sales data, add inventory items, update pricing, manage employees, and configure settings from a central back-end.
  • Payment Processing: The system integrates with payment terminals and popular gateways like PayPal to accept credit cards, debit cards, gift cards, and contactless payments.
  • Receipt Printing: UniCenta allows customized receipt printing through integrated or wireless receipt printers.
  • Inventory Management: The platform makes it easy to update inventory counts, track stock levels, simplify re-ordering, and optimize stock management.
  • Reporting: You can generate sales reports, tax reports, inventory reports, and employee reports instantly from the back-end.

Ideal for retail stores, cafes, liquor stores, and quick-service environments, UniCenta delivers robust POS capabilities to compete with paid platforms.

3. Lightspeed POS

Designed for retailers, restaurants, and ecommerce businesses, Lightspeed POS is a cloud-based point-of-sale system. It provides an omnichannel sales platform to unify the management of in-store, online, and mobile transactions. You can sync and track inventory across multiple locations and channels in real-time. Lightspeed offers CRM capabilities to build detailed customer profiles and segmentation for personalization. The system provides advanced inventory, purchasing, and accounting integrations along with customizable reporting and analytics.

Features of Lightspeed POS

  • Omnichannel Sales: Lightspeed provides integrated support for in-store, online, and mobile sales through the same platform.
  • Inventory Management: Real-time inventory monitoring, transfers, purchase ordering, and cost tracking helps optimize stock across channels.
  • Customer Profiles: To enable personalized service and promotions, we build detailed CRM profiles transaction-by-transaction.
  • Custom Reports: Lightspeed offers highly customizable reporting to extract key business insights. Sales, inventory, margins, and other metrics can be tracked.
  • Integrations: The platform offers plug-ins to accounting software, payment processors, loyalty programs, and ecommerce platforms.
  • Analytics: Sales velocity, best-selling items, customer trends, and other analytics help inform better business decisions.

Lightspeed’s combination of usability, mobility, and advanced capabilities make it an appealing free POS option for multi-channel retailers and restaurants.

4. Talech Register

Talech Register is a cloud-based, mobile-ready point of sale system designed for cafes, quick service restaurants, boutiques, and salons. It provides an intuitive interface to streamline order taking, queue busting, and checkout processes. Tableside ordering and contactless payment acceptance further speeds up transactions. Talech offers employee management tools, customer relationship management, customizable menus and floor plans, and detailed sales and inventory reporting.

Features of Talech Register

  • Streamlined Interface: The software uses a straightforward interface optimized for speed and ease-of-use.
  • Mobile and Tablet Readiness: Talech works across mobile devices, tablets, laptops, and desktops. This enables flexibility and mobility.
  • Queue Busting: Tableside ordering and payments help reduce queues and streamline operations.
  • Customer Database: Guest details, order history, preferences, and visit recency can be tracked for personalized service.
  • Menu Management: Tailor menus and floor plans completely, while easily managing menu items, modifiers, and variations.
  • Staff Tracking: The system provides visibility into staff movements and performance metrics like sales volumes and walkouts.

Talech delivers an agile cloud POS solution for customer-facing businesses at zero cost. It removes upfront licensing fees.

5. POSitive

POSitive is an open-source point of sale system built for retailers, grocery stores, liquor stores, and service businesses like auto repair shops. It offers robust inventory control with detailed stock tracking, transfers, reorder points, and consumption rate analysis. POSitive provides advanced pricing options, integrated barcode scanning, and accounting software integrations. The system builds comprehensive customer profiles from POS transactions to power external CRM and loyalty programs.

Features of POSitive

  • Inventory Control: Detailed inventory tracking, reordering schedules, transfers, consumption rate analytics, and cost management.
  • Customer Management: Comprehensive customer profiles are built with each transaction and can integrate with external CRM platforms.
  • Pricing Management: Advanced pricing options like multi-tiered pricing, promotions, markdowns, and contract pricing come built-in.
  • Barcode Scanning: POSitive seamlessly integrates barcode scanners for rapid product scanning and inventory control.
  • Accounting Integration: For detailed financials, the platform can integrate directly with accounting software programs.
  • Dashboard: Key metrics like top-selling items, out-of-stock items, margins, profits, taxes, and sales summaries are displayed in a central dashboard.

POSitive enables small businesses to access advanced inventory and retail management tools for free to make better decisions.

6. Openbravo POS

Openbravo POS (OPos) is a web-based, open source point of sale solution designed for retail and restaurant environments. It provides robust inventory tracking with barcode scanning, dashboard reporting, CRM integration, and a touchscreen-optimized interface. OPos offers multi-store central management, pluggable components like accounting, warehousing, and ecommerce integrations.

Features of Openbravo POS

  • Robust inventory tracking: Real-time inventory management, barcode scanning, reordering, consumption tracking, and cost management.
  • CRM integration: Customer profiles aggregate transactions, contact details, order history, and more. Integrates with external CRMs.
  • Multi-store capabilities: The centralized solution can be deployed across multiple locations from a single platform.
  • Modular components: Allows plugins like reporting, ecommerce, accounting, warehouse management, and loyalty programs.
  • Touchscreen interface: The POS front end uses a tablet-style touchscreen interface for rapid order-taking.
  • Web access: Store managers can access back-end data and reporting remotely through the web portal.

With both cloud and on-premise deployment options, Openbravo is a scalable option.

7. Odoo POS

Odoo is an open source ERP that offers an integrated point of sale system designed for retail, distribution, and manufacturing businesses. The POS seamlessly connects with Odoo’s accounting, inventory management, CRM, ecommerce, and marketing modules for unified business process automation.

Features of Odoo POS

  • Unified systems: The POS seamlessly integrates with Odoo’s accounting, inventory, CRM, ecommerce, and marketing systems.
  • Real-time reporting: Dashboards provide real-time insights into sales, profitability, inventory status, and KPIs.
  • Barcode integration: Scanning product barcodes makes order taking, inventory tracking, and reordering simple.
  • Customer tracking: POS transactions are saved against customer profiles so purchase history, habits, and more can be tracked.
  • Cloud capabilities: Odoo is fully web-based, allowing remote access to data from any device through the cloud.
  • Scalability: Odoo is designed for small to enterprise level retailers. The unified platform can readily scale.

With unified business management capabilities, Odoo helps retailers tightly align POS operations with wider strategy.

Concluding Thoughts on Free and Open-Source POS Software Tools

Free and open-source POS software provides scalable and customizable alternatives to paid systems. Solutions like Floreant, Lightspeed, and Odoo POS deliver robust order management, inventory control, reporting, and CRM to help retailers, restaurants, and hospitality businesses cut costs and streamline operations. While open-source tools lack vendor technical support, the savings and flexibility often outweigh this.

Amelie Lamb

Amelie Lamb

Amelie Lamb is an experienced technical content writer at who specializes in distilling complex software topics into clear, concise explanations. She has a talent for taking dense technical jargon and making it engaging and understandable for readers through her informative, lively writing style.

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