Top 10 Best Linux Pos Software of 2026

Odoo is a versatile open-source ERP platform with a powerful Point of Sale (POS) module optimized for Linux environments, enabling seamless sales processing, inventory management, and customer tracking directly from Linux servers and browsers. It supports offline transactions with automatic synchronization, multi-store operations, and hardware integration like receipt printers and cash drawers on Linux systems. As a comprehensive business suite, Odoo's POS extends beyond basic retail functions to integrate with accounting, CRM, and e-commerce for end-to-end operations.

ERPNext is an open-source ERP platform with a dedicated Point of Sale (POS) module, optimized for Linux deployments, enabling retail transactions, inventory tracking, and customer management. It integrates POS seamlessly with accounting, CRM, HR, and manufacturing modules for comprehensive business operations. As a Linux-native solution, it offers high customizability and scalability without licensing fees, making it suitable for self-hosted environments.

Openbravo is an open-source commerce platform offering a web-based POS system optimized for Linux servers and environments, enabling retail operations with real-time inventory, sales, and customer management. It integrates front-end POS with back-office ERP functionalities like procurement, warehouse management, and omnichannel support. Primarily targeted at mid-to-large retailers, it supports high-volume transactions and multi-store deployments on Linux infrastructure.

Dolibarr is an open-source ERP and CRM suite that runs on Linux servers and includes a web-based Point of Sale (POS) module called TakePOS, designed for retail and hospitality environments. It enables cashiers to process sales, handle payments, manage inventory in real-time, and integrate with broader business functions like invoicing and customer management. As a self-hosted solution, it's highly modular and customizable for small to medium-sized businesses seeking an all-in-one platform.

SambaPOS is an open-source point-of-sale (POS) system primarily designed for restaurants and hospitality businesses, offering comprehensive features like order management, table tracking, inventory control, and detailed reporting. It supports multi-terminal setups and is highly customizable through its rules engine and scripting capabilities. While native to Windows, it runs on Linux via the Mono framework, making it accessible but not optimized for Linux environments.

Floreant POS is a free, open-source point-of-sale system tailored for restaurants and cafes, offering table management, order processing, kitchen display systems, inventory tracking, and reporting capabilities. Built in Java, it runs natively on Linux without requiring additional virtualization, making it accessible for Linux-based deployments. It supports multi-terminal setups and various hardware integrations like receipt printers and cash drawers.

Unicenta oPOS is a free, open-source point-of-sale system tailored for retail, restaurants, and hospitality businesses, offering robust features like sales processing, inventory management, customer tracking, and detailed reporting. It runs natively on Linux distributions, making it a solid choice for Linux-based deployments with support for touchscreens, barcodes, and multiple payment methods. The software emphasizes flexibility through its customizable architecture, allowing users to adapt it to specific workflows without licensing costs.

Chromis POS is a free, open-source point-of-sale system built in Java, compatible with Linux, Windows, and macOS, primarily designed for small retail and hospitality businesses. It handles core functions like sales transactions, inventory management, customer loyalty programs, and basic reporting. As a community-driven fork of Unicenta oPOS, it emphasizes flexibility and customization for users comfortable with self-hosting on Linux environments.

Tryton is a modular, open-source ERP platform that includes a dedicated Point of Sale (POS) module, optimized for Linux environments with a GTK-based client for terminal operations. It handles sales transactions, inventory tracking, customer management, and seamless integration with broader ERP functions like accounting and purchasing. As a Linux-native solution, it excels in customizable, scalable deployments for retail and hospitality businesses seeking full control over their POS system.

ADempiere is a comprehensive open-source ERP system that includes a Point of Sale (POS) module, deployable on Linux servers and clients. It handles retail transactions, inventory management, customer data, and integrates POS directly with accounting, CRM, and supply chain modules. While versatile for enterprise use, its POS features support barcode scanning, cash drawers, and multi-terminal operations in a web-based interface.