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The premier open-source Point of Sale system for high-volume hospitality and retail environments.

Floreant POS is a robust, enterprise-grade open-source Point of Sale (POS) solution architected primarily in Java, designed to provide platform independence across Windows, Linux, and macOS. Originally developed for large-scale deployments like Denny's, it has evolved into a highly modular system that addresses the 2026 market demand for local-first data ownership and zero-subscription overhead. Technically, it supports a wide array of relational databases including Apache Derby, MySQL, and PostgreSQL, ensuring scalability from single-terminal cafes to multi-location restaurant chains. Its architecture facilitates deep customization through a dedicated plugin system, supporting Kitchen Display Systems (KDS), table mapping, and complex tax jurisdictions. In the current landscape, Floreant POS serves as a critical alternative to SaaS-heavy models, offering businesses the ability to maintain operational continuity during internet outages while integrating with modern payment gateways via proprietary commercial extensions. The platform's commitment to the GPL license ensures that the core codebase remains accessible for developers to build bespoke features, while the Floreant Cloud ecosystem provides a managed bridge for businesses requiring remote reporting and centralized menu management.
Floreant POS is a robust, enterprise-grade open-source Point of Sale (POS) solution architected primarily in Java, designed to provide platform independence across Windows, Linux, and macOS.
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Supports embedded Derby for low-resource setups and external SQL servers for high-concurrency environments.
Built on the Java Swing framework, allowing identical binaries to run on any OS with a JVM.
Network-based routing of orders to multiple kitchen stations based on item category.
OSGi-like modularity allowing developers to inject new functionality without altering the core kernel.
Local database writes ensure that the POS remains fully functional even if the wide-area network (WAN) fails.
Configurable tax rules for multi-jurisdictional compliance, including inclusive and exclusive tax models.
Sophisticated clock-in/clock-out tracking with automated labor cost reporting.
Verify Java Runtime Environment (JRE) 11 or higher is installed on the host machine.
Download the latest Floreant POS binary distribution from the official website or GitHub.
Select and configure the database engine (Embedded Derby for single terminal, MySQL/Postgres for multi-terminal).
Initialize the database schema using the provided SQL scripts or automated setup wizard.
Configure terminal IDs and local network IP addresses for multi-terminal sync.
Integrate peripheral hardware including thermal printers (ESC/POS) and cash drawers via serial/USB ports.
Define restaurant-specific metadata including tax rates, service charges, and currency symbols.
Import or manually input menu categories, items, and modifier groups.
Create user accounts with specific ACL (Access Control List) permissions for staff and managers.
Perform a dry-run transaction to verify KDS routing and receipt layout accuracy.
All Set
Ready to go
Verified feedback from other users.
"Users praise its stability and the fact that it is truly free, though some find the UI dated compared to modern SaaS."
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