Top 10 Best Free Hotel Software of 2026

QloApps is a 100% free and open-source hotel property management system (PMS) built on PrestaShop, designed to handle reservations, room inventory, customer management, invoicing, and front desk operations for hotels and accommodations. It supports multi-property management, online booking engines, and channel managers for seamless integration with platforms like Booking.com. As a self-hosted solution, it offers unlimited scalability without licensing fees, making it a powerful alternative to paid PMS software.

HotelDruid is a free, open-source, web-based hotel management software ideal for small to medium-sized properties like hotels, B&Bs, and vacation rentals. It provides core functionalities such as reservation management, room availability calendars, group bookings, dynamic pricing, invoicing, and basic reporting. The system supports multiple properties, languages, and currencies, making it versatile for international use, though it requires self-hosting on a PHP/MySQL server.

Odoo is a versatile open-source ERP platform with a free Community edition that includes a Hotel Management module for reservations, front desk operations, housekeeping, and billing. It integrates hotel functions with CRM, inventory, accounting, and sales modules for comprehensive business management. While powerful and customizable, the free version requires self-hosting and technical setup, making it suitable for tech-savvy users seeking scalability without initial costs.

ERPNext is a comprehensive open-source ERP platform that includes a dedicated Hospitality module functioning as a Property Management System (PMS) for hotels, handling reservations, front desk operations, housekeeping, restaurant POS, and integrated accounting. It allows small to medium-sized hotels to manage operations end-to-end without licensing fees, though it requires self-hosting and customization. The system excels in scalability and data integration across modules like inventory and CRM tailored for hospitality needs.

Dolibarr is a free, open-source ERP and CRM platform that includes optional modules for hotel management, such as room reservations, availability calendars, and basic invoicing. It provides a modular framework allowing small businesses to adapt it for hospitality needs alongside other functions like accounting and inventory. While versatile, it requires configuration to function effectively as hotel software rather than offering a ready-to-use property management system.

Apache OFBiz is a free, open-source ERP suite that offers modular components adaptable for hotel management, including party management for guests, facility management for rooms, order processing for bookings, and accounting for invoicing. It supports inventory for supplies, CRM for customer relations, and reporting for operations. While versatile for enterprise use, it requires extensive customization to serve as a dedicated hotel property management system.

Flectra is a 100% free and open-source ERP platform forked from Odoo, offering modular apps that can be configured for hotel management including reservations, front desk operations, invoicing, and inventory tracking. It provides a comprehensive business suite beyond hospitality, such as accounting, CRM, and POS, making it suitable for small hotels needing an all-in-one solution. While not a dedicated property management system (PMS), its customizability allows adaptation to hotel needs without licensing costs.

Tryton is a free, open-source three-tier ERP platform designed for business management across various industries, including potential adaptation for hospitality. It offers modular components for handling reservations, inventory, sales, accounting, and reporting, which can be configured for hotel operations like room bookings and guest management. While highly flexible, it requires customization to fully serve as dedicated hotel software.

iDempiere is a fully open-source ERP platform forked from ADempiere, offering comprehensive tools for accounting, CRM, inventory management, procurement, and project management. While powerful for general business operations, it lacks native features tailored for hotel management such as property management systems (PMS), room reservations, housekeeping schedules, or front-desk operations. It can be heavily customized via plugins or development to adapt for hospitality use, making it a flexible but non-specialized free solution.

ADempiere is a free, open-source ERP system offering comprehensive modules for accounting, inventory management, CRM, and supply chain operations. While not designed specifically as hotel software, it can be customized for basic hotel functions like reservations, billing, and reporting through extensions or plugins. It serves as a flexible backbone for larger operations but lacks out-of-the-box hotel-specific features like front desk PMS or housekeeping management.