--- title: The 5 Best Open-Source WMS (Warehouse Management Systems) of 2026 --- # The 5 Best Open-Source WMS (Warehouse Management Systems) of 2026 Last Reviewed: January 6, 2026 11 min read [No comments](https://www.selecthub.com/warehouse-management/open-source-warehouse-management-software/?noamp=mobile#respond) [ ![Sylvia Marak](https://www.selecthub.com/wp-content/uploads/2021/09/Sylvia-Headshot-96x96.jpeg) ](https://www.selecthub.com/author/sylvia-marak/) [Written by Sylvia Marak](https://www.selecthub.com/author/sylvia-marak/) Technical Content Writer [ ![Hunter Lowe](https://www.selecthub.com/wp-content/uploads/2023/11/cropped-Hunter-Headshot-96x96.jpg) ](https://www.selecthub.com/author/hunter-lowe/) [Edited by Hunter Lowe](https://www.selecthub.com/author/hunter-lowe/) Content Editor [ ![Shantashree Das](https://www.selecthub.com/wp-content/uploads/2024/02/cropped-Shantashree-Das-96x96.jpg) ](https://www.selecthub.com/author/shantashree-das/) [Technical Research by Shantashree Das](https://www.selecthub.com/author/shantashree-das/) Senior Analyst Table of Contents Explore the Warehouse Management Hub What's your top priority today? * [Learn](#) * [What Is Warehouse Management?](https://www.selecthub.com/category/warehouse-management/) * [WMS Software Benefits](https://www.selecthub.com/warehouse-management/warehouse-management-system-software-benefits/) * [WMS System Examples](https://www.selecthub.com/warehouse-management/3-types-warehouse-management-systems/) * [Warehouse Automation Trends](https://www.selecthub.com/warehouse-management/warehouse-automation-trends/) * [Plan](#) * [WMS Features](https://www.selecthub.com/warehouse-management/warehouse-management-software-features-requirements/) * [WMS Software RFP](https://www.selecthub.com/warehouse-management/warehouse-management-rfp/) * [Compare](#) * [Best Free WMS](https://www.selecthub.com/warehouse-management/free-warehouse-management-software/) * Best Open-Source WMS * [Best WMS Open-Source Software](#Best%5FWMS%5FOpen-Source%5FSoftware "Best WMS Open-Source Software") * [Odoo Inventory](#Odoo%5FInventory "Odoo Inventory") * [Flectra](#Flectra "Flectra") * [Dolibarr](#Dolibarr "Dolibarr") * [myWMS](#myWMS "myWMS") * [OpenBoxes](#OpenBoxes "OpenBoxes") * [Get Personalized Recommendations](#Get%5FPersonalized%5FRecommendations "Get Personalized Recommendations") * [Best WMS for Small Businesses](https://www.selecthub.com/warehouse-management/wms-smb/) * [Launch](#) * [WMS Integration Guide](https://www.selecthub.com/warehouse-management/wms-integration/) Your warehouse operations are suffering and you need a way to manage everything efficiently. But you can’t afford a brand new [warehouse management system](https://www.selecthub.com/c/warehouse-management-software/) on top of the customizations you require. What do you do? A WMS with open-source functionality may be the silver bullet you need. These (usually) free tools leave their code open and accessible so you can customize them as needed. This article will give you insight into the types of functionality open-source solutions offer. [Compare Top Warehouse Management Software Leaders](https://pmo.selecthub.com/wms-report-site-vers/) ## Best WMS Open-Source Software Here are some of the best open-source warehouse management software to enhance your warehousing operations. ![Top Open Source WMS Product Attribute Comparison]() ### [Odoo Inventory](https://www.selecthub.com/p/inventory-management-software/odoo-inventory/) Odoo Inventory is an open-source module that offers seamless integration with third-party logistics and external applications such as scanners and RFIDs. Its stocking method helps businesses improve and control internal operations. Users can create product routes and automate product transfers between warehouses and delivery centers. ![Managing contact details with Odoo]() Boost your contact database using corporate data. [Source](https://www.odoo.com/documentation/16.0/applications/sales/crm/optimize/partner%5Fautocomplete.html) #### Top Benefits * **Strengthen Storage Management:** Track inventory levels to manage storage capacity. Optimize storage utilization by placing the right product in the right warehouse. It helps control the storage management process by keeping maximum products within the warehouse. * **Increase Productivity:** [Procurement](https://www.selecthub.com/category/eprocurement/) employees can access information on the go without waiting for data or permission. Users can edit and modify orders within the warehouse. It allows users to register inventory documents, records, interactions and other important information. * **Boost Customer Relationship:** Stock shelves with products to meet customer demand. Know when to stock, where to get the stock and have multiple suppliers handy for each item. It also provides efficient delivery by guiding the shipping method and delivery process. * **Improve Forecast Accuracy:** Provide real-time visualization of financial data and sales trends. Information such as the enterprise’s performance, financial position and current situation supports planning. #### Key Features * **Inventory Adjustment:** Adjust and change product quantity using filtering options such as product amount, on-hand quantity, and lot and serial number. This option allows users to manage inventory-related operations while making adjustments to the system. * **Drop Shipping:** Create and manage products to sell directly to the customer without physically stocking them in the warehouse. It generates a request for quote (RFQ) upon customer confirmation. * **Barcode Scanning:** Use barcodes to scan, add and track products. Search existing products using barcodes or internal repository references. Avoid human errors while managing large quantities of products by scanning through them. * **Lot and Serial Number Management:** Create unique identification numbers for individual products using serial numbers. Group products using lot management support to transact bulk quantities. This process helps businesses track products and generate reports. * **Replenishment:** Control and regulate inventory movement with strategies such as reordering rules and make-to-order (MTO) routes. Reordering rules maintain minimum stock levels while make-to-order creates a draft upon order confirmation. #### Limitations * Lacks centralized documentation. **Price:** **$$$**$$ **Deployment:** **Platform:** **Company Size Suitability**: **S M L** [Compare Top Warehouse Management Software Leaders](https://pmo.selecthub.com/wms-report-site-vers/) ### [Flectra](https://www.selecthub.com/p/erp-software/flectra/) Flectra’s cloud-based enterprise resource planning (ERP) and [customer relationship management](https://www.selecthub.com/c/erp-software/) (CRM) software helps businesses manage finances, revenue and invoices, and generate reports. It facilitates procurement processes by integrating product availability and real-time supplier prices. Some of the key features include material, warehouse, [project](https://www.selecthub.com/c/project-management-software/), [order](https://www.selecthub.com/inventory-management/order-management-software/) and [inventory management](https://www.selecthub.com/c/inventory-management-software/). ![Real-time Document Management with Flectra]() #### Top Benefits * **Minimize Costs:** Its end-to-end ERP implementation reduces the need to use separate software for each department. It eliminates recurring license, update and training costs. * **Boost Security:** Define user roles and permissions to ensure they only have access to the data and functionality that they need. This feature helps prevent unauthorized access and reduces the risk of data breaches. It supports data encryption and two-factor authentication as an additional layer of security. * **Improve User Interaction:** Select modules and customize interfaces to access different features. The interface provides clear and simple labels. It supports multiple platforms to connect and access information from any device. * **Increase Visibility:** Provide real-time inventory visibility and produce reports and information for every key functionality. Automate processes such as internal transfers, deliveries and PoS orders for seamless management. * **Try for Free:** Use a 15-day free trial and demo session for web-browser users. #### Primary Features * **Sales and Accounting Management:** Automate routine tasks and manage data entry and money management activities. Create and generate draft invoices, incorporate payment terms and set up automated follow-ups. Forecasts expenses by automating regular supplier payments. * **Inventory Management:** Track and manage inventory levels using order analytics. Manage inventories across multiple locations by supporting inventory transfers to different stores, outlets and warehouses for restocking. * **Order Management:** Manage order cycles, from sales and order creation to the product delivery process. Track order statuses such as confirmed, invoiced and canceled. * **Customer Relationship Management (CRM):** Manage leads and track progress through the sales funnel. Create and assign leads, track their status, and analyze conversion rates. It manages sales opportunities, creating and tracking opportunities via the sales cycle. * **Multi-country Support:** Support operations across different countries and regions. Manage business requirements such as compliance, operations and finances in different countries. Provide seamless transactions in different currencies and allow businesses to configure tax rules and rates, making it easy to comply with local tax regulations. #### Limitations * Doesn’t provide live customer support. * Only a browser-based demo version is available. **Price:** **$**$$$$ **Deployment:** **Platform:** **Company Size Suitability**: **S M L** [Compare Top Warehouse Management Software Leaders](https://pmo.selecthub.com/wms-report-site-vers/) ### [Dolibarr](https://www.selecthub.com/p/erp-software/dolibarr/) Dolibarr is an all-in-one cloud-based system for small, mid-size and large businesses. Users can consult quotes, orders, invoices and delivery notes under a single platform. Some key features include finance and billing, stock and [human relationship management](https://www.selecthub.com/category/hris/) (HRM). ![Stock Management across warehouses with Dolibarr]() Organize and manage stock across warehouses. [Source](https://www.dolibarr.org/presentation-stock-management.php) #### Top Benefits * **Reduce Costs:** Eliminate the need for multiple systems to manage business and reduce overall software costs. Store and manage data from different departments and processes via a centralized data management system. Reduce unnecessary costs by providing real-time reporting to identify improvement opportunities and take measurable actions. * **Enhance Performance:** Automatically send email notifications when a task is due or overdue to improve efficiency. Send email notifications for new leads, requests or issues. * **Boost Security:** Protect sensitive data from unauthorized access via two-step authentication or one-time passwords (OTP). Regular software updates ensure that the system is up-to-date. * **Improve Operations:** Manage logistics and location-based services via seamless integration with Google Maps. Import and export data from multiple sources to improve data accuracy. #### Primary Features * **Warehouse and Stock Management:** Manage and track stock movement, and stock transfers using product references, serial numbers and dates. Record stock movement details manually or automatically. Users can create and assign warehouses and stock limits. * **Shipping Management:** Create shipment orders and define delivery dates for each one. Create picking sheets by calculating item weight and volume using predefined product data. * **Purchase and Supply Management:** Manage purchase orders, including order processing, invoicing and payment processing. Supply stock warehouses based on optimal quantities to streamline procurement processes. * **CRM and Sales:** Manage and track sales activities like lead generation, status, prospects and sales revenue. Automate marketing campaigns (email marketing, lead generation and customer segmentation) to attract and retain customers. #### Limitations * Doesn’t provide native mobile applications on iOS platforms. * Can’t set up new documents in PDF formats. * SQL structure is available in French and European. Translating to English is challenging. **Price:** **$**$$$$ **Deployment:** **Platform:** **Company Size Suitability**: **S M** L [Compare Top Warehouse Management Software Leaders](https://pmo.selecthub.com/wms-report-site-vers/) ### [myWMS](https://www.selecthub.com/p/warehouse-management-software/mywms/) myWMS is a cloud-based solution designed to manage warehouse operations, including inventory management, order fulfillment and shipping. It offers simple customization and an accessible user interface that supports barcode scanners. Supported technologies include JBoss, JEE6, SOAP, iReport, Netbeans RCP and Wildfly. ![Unit load module in myWMS]() Dashboard view demonstrating unit loads and general functionalities. [Source](https://mywms.org/en/community/documentation/users-guide/the-graphical-user-interface/) #### Top Benefits * **Enhance Visibility:** Scan pick and pack, receiving, shipping and put away via barcode scanners. Provide real-time inventory data for users to stay informed about production planning and delivery. * **Maximize Accuracy:** Eliminate the need for manual data entry and reduce errors in label printing. ERP-integrated systems allow users to automate repetitive manual tasks. * **Minimize Costs:** Reduce operating costs by optimizing warehouse space use, reducing labor costs and minimizing inventory waste. Barcode scanners generate labels to minimize costs associated with administrative tasks and resource allocation. #### Primary Features * **Master Data Management:** Store master data according to the functional areas, zones and location clusters. Master data includes key elements like item data, units, bills of materials, and European Article Number (EAN) or Universal Product Code (UPC). * **Inbound Process:** Support multiple goods receipt processes and sub-processes like storing mobile, rough and detailed goods receipt and finishing of goods receipt. * **Outbound Process:** Support goods picking, packing, shipping and tracking. It loads the data for the user to read it automatically using an integrated ERP system interface. Users can access data such as item name, lot, order positions, picking unit load status, client name, shipping position and more. * **Inventory Data Management:** Provide inventory visibility and information that includes location assignment, unit loads, item amount and stock unit. Information such as packing type, label ID and client name help users define unit loads. #### Limitations * Doesn’t support mobile applications. * Doesn’t support MAC OS for self-hosting. **Price:** **$**$$$$ **Deployment:** **Platform:** **Company Size Suitability**: **S M** L [Compare Top Warehouse Management Software Leaders](https://pmo.selecthub.com/wms-report-site-vers/) ### [OpenBoxes](https://www.selecthub.com/p/supply-chain-management-software/openboxes/) OpenBoxes offers flexible tools to manage inventory and warehouse operations. Its flexible implementation options, intuitive user interface and simple workflows allow users to control and track inventory movements. It follows the FEFO (first-expiry-first-out) strategy to ensure organizations use products before their expiry date. ![Expiring Inventory Report in OpenBoxes]() Dashboard featuring the expiration report. [Source](https://openboxes.com/features/) #### Top Benefits * **Increase Visibility:** View stock visibility and track inventory levels in real time. Provide accurate stock counts to avoid stockouts and overstocking. Manage inventory from a centralized location to ensure all inventory data is up-to-date and accurate. * **Facilitate Deployment:** Support cloud-based and on-premise deployment. It provides simultaneous user capabilities and doesn’t require a license. Users can manage multiple stock locations. * **Boost Tracking:** Record and track goods movement between multiple locations. Integrate barcode scanners and RFID receivers to keep track of inventory. Automate tracking processes, such as receiving and shipping, to monitor inventory movements. * **Improve Forecast Accuracy:** Track historical sales data and inventory to identify trends, patterns, shortages and excess stock levels. Predict accurate sales forecasts by analyzing relevant metrics. #### Primary Features * **Electronic Stock Card:** Each product gets an electronic stock card to track, store data, and share accurate and updated information when required. Track incoming and outgoing stock, and item details such as suppliers, manufacturers, expiration dates, lot numbers and more. * **Inventory Management and Tracking:** Track and manage bin locations, lot and serial number, damage and loss. Use historical inventory data to export suggested cycle counts for each location. * **Stock Movement:** Functionalities such as monthly replenishment and FEFO algorithms allow users to manage stock movement from supplier to depot and consumption location. Use workflows to view inventory and stock movement. * **Dashboard and Reporting:** Visualize indicators like inventory, bin location and expiration stock summary, product tags and recent activities. Provide information for stakeholders to make informed business decisions. * **Stock List Management:** Create and organize item lists according to category and description. Automate stock requests by assigning items to a stock list based on location. #### Limitations * Doesn’t provide cloud hosting under the free pricing plan. * Doesn’t provide self-hosted hosting plans. * Doesn’t offer monitoring, upgrades and auto-backup functionalities under the free pricing plan. **Price:** **$$**$$$ **Deployment:** **Platform:** **Company Size Suitability**: **S M L** [Compare Top Warehouse Management Software Leaders](https://pmo.selecthub.com/wms-report-site-vers/) ## Get Personalized Recommendations Investing in a WMS with open-source support encourages third-party integration with ERPs, CRMs and other applications. These open-source WMSs provide full flexibility to customize processes as per your requirements. To explore the market more deeply, take a look at our [free comparison report](https://pmo.selecthub.com/wms-report-site-vers/) for a feature-based comparison of the leading WMS software. What problems are you looking to solve with an open-source WMS? Let us know in the comments. **Analyst-Picked Related Content** **Pricing Guide:** [Discover the true cost of WMS software ](https://pmo.selecthub.com/wms-price-report-site-vers/) **Comparison Report:** [An interactive analyst report with comparison ratings, reviews and pricing for WMS software ](https://pmo.selecthub.com/wms-report-site-vers/) [ Previous Best Free WMS ](https://www.selecthub.com/warehouse-management/free-warehouse-management-software/) [ Next Best WMS for Small Businesses ](https://www.selecthub.com/warehouse-management/wms-smb/) ### Trending Topics #### [Warehouse Management](https://www.selecthub.com/category/warehouse-management/) [The Top 11 Warehouse Management System (WMS) Features](https://www.selecthub.com/warehouse-management/warehouse-management-software-features-requirements/) [Warehouse management systems have similar powers to Hermione Granger from the Harry Potter universe —… ](https://www.selecthub.com/warehouse-management/warehouse-management-software-features-requirements/) [ ![Tamoghna Das](https://www.selecthub.com/wp-content/uploads/2022/08/Tamoghna-Headshot-96x96.jpg) Tamoghna Das ](https://www.selecthub.com/author/tamoghna-das/) Feb 09, 2026 #### [Warehouse Management](https://www.selecthub.com/category/warehouse-management/) [Smart Warehousing: What Are Smart Warehouse Systems?](https://www.selecthub.com/warehouse-management/smart-warehouse-systems/) [The future is now. That’s what it’s starting to feel like anyway. While we may… ](https://www.selecthub.com/warehouse-management/smart-warehouse-systems/) [ ![Sylvia Marak](https://www.selecthub.com/wp-content/uploads/2021/09/Sylvia-Headshot-96x96.jpeg) Sylvia Marak ](https://www.selecthub.com/author/sylvia-marak/) Jan 19, 2026 #### [Warehouse Management](https://www.selecthub.com/category/warehouse-management/) [Warehouse Automation: Leveraging Automated Warehouse Systems](https://www.selecthub.com/warehouse-management/building-automated-warehouse-system/) [As more operations adopt automated tools and industrial robotics, warehouses are moving toward full automation.… ](https://www.selecthub.com/warehouse-management/building-automated-warehouse-system/) [ ![Sylvia Marak](https://www.selecthub.com/wp-content/uploads/2021/09/Sylvia-Headshot-96x96.jpeg) Sylvia Marak ](https://www.selecthub.com/author/sylvia-marak/) Jan 19, 2026 #### [Warehouse Management](https://www.selecthub.com/category/warehouse-management/) [Top Warehouse Management System Benefits and More](https://www.selecthub.com/warehouse-management/warehouse-management-system-software-benefits/) [One of the most dangerous consequences of poor warehouse management is workplace injury. Many businesses… ](https://www.selecthub.com/warehouse-management/warehouse-management-system-software-benefits/) [ ![Sylvia Marak](https://www.selecthub.com/wp-content/uploads/2021/09/Sylvia-Headshot-96x96.jpeg) Sylvia Marak ](https://www.selecthub.com/author/sylvia-marak/) Jan 19, 2026 #### [Warehouse Management](https://www.selecthub.com/category/warehouse-management/) [The 5 Top Warehouse Management System Examples & Types](https://www.selecthub.com/warehouse-management/3-types-warehouse-management-systems/) [Finding the perfect WMS software that hits all of your requirements can feel like finding… ](https://www.selecthub.com/warehouse-management/3-types-warehouse-management-systems/) [ ![Hunter Lowe](https://www.selecthub.com/wp-content/uploads/2023/11/cropped-Hunter-Headshot-96x96.jpg) Hunter Lowe ](https://www.selecthub.com/author/hunter-lowe/) Dec 16, 2025 #### [Warehouse Management](https://www.selecthub.com/category/warehouse-management/) [The 5 Best Warehouse Management Software for Small Businesses in 2026](https://www.selecthub.com/warehouse-management/wms-smb/) [Warehouse management software (WMS) has become essential to manage inventory and fulfillment from warehouse to… ](https://www.selecthub.com/warehouse-management/wms-smb/) [ ![Tamoghna Das](https://www.selecthub.com/wp-content/uploads/2022/08/Tamoghna-Headshot-96x96.jpg) Tamoghna Das ](https://www.selecthub.com/author/tamoghna-das/) Dec 16, 2025 Originally published in February 2023 and last updated in January 2026\. Contributions from Sylvia Marak, Shantashree Das, Kankana Kalita, and Hunter Lowe. ## About the Contributors The following team members helped research, create, and review this content. [ ](https://www.selecthub.com/author/sylvia-marak/) Written by [Sylvia Marak](https://www.selecthub.com/author/sylvia-marak/) Technical Content Writer Sylvia D. Marak is a technical content writer at SelectHub. Sylvia has more than four years of experience and expertise writing technical content related business intelligence and big data analytics. When not writing, she can be found traveling, baking, listening to music and drinking too much coffee. [See Full Bio](https://www.selecthub.com/author/sylvia-marak/) [ ](https://www.selecthub.com/author/shantashree-das/) Technical Research by [Shantashree Das](https://www.selecthub.com/author/shantashree-das/) Senior Analyst Hailing from the Northeastern state of Assam, India, Shantashree Das completed her Bachelor of Engineering (B.E) in Computer Science and Engineering at the Royal School of Engineering and Technology (now Royal Global University) in Guwahati. She then pursued her Master of Business Administration (MBA) in Operations Management and Marketing at Assam University, India, where she developed a strong interest in ERP. Over the course of her career at SelectHub, Shantashree has gained specialties in various ERP and construction software categories, such as Manufacturing Software, CMMS Software, Construction ERP Software, Warehouse Management Software, Supply Chain Management Software, Distribution Software, Field Service Software, Takeoff Software, Construction Bidding Software, Construction Estimating Software, Construction Management Software, Construction Scheduling Software, and Property Management Software. [See Full Bio](https://www.selecthub.com/author/shantashree-das/) [ ](https://www.selecthub.com/author/kankana-kalita/) Technical Research by [Kankana Kalita](https://www.selecthub.com/author/kankana-kalita/) Principal Analyst A seasoned business and research analyst, Kankana Kalita specializes in ERP, CMMS, manufacturing, construction, supply chain, HRMS and CRM. Prior to joining SelectHub, she earned a Bachelor's degree in Computer Science and Engineering, an MBA in Operations and Marketing, and worked in email marketing and logistics. [See Full Bio](https://www.selecthub.com/author/kankana-kalita/) [ ](https://www.selecthub.com/author/hunter-lowe/) Edited by [Hunter Lowe](https://www.selecthub.com/author/hunter-lowe/) Content Editor Hunter Lowe is a Content Editor, Writer and Market Analyst at SelectHub. His team covers categories that range from ERP and business intelligence to transportation and supply chain management. Hunter is an avid reader and Dungeons and Dragons addict who studied English and Creative Writing through college. In his free time, you'll likely find him devising new dungeons for his players to explore, checking out the latest video games, writing his next horror story or running around with his daughter. [See Full Bio](https://www.selecthub.com/author/hunter-lowe/) Tamoghna DasThe 5 Best Warehouse Management Software for Small Businesses in 2026 * ‹ * › ### Conversation ![Avatar](https://secure.gravatar.com/avatar/281d3616cf761f3582c0d76c23517846?s=32&d=mm&r=g) Write a response [Cancel reply](https://www.selecthub.com/warehouse-management/open-source-warehouse-management-software/#respond) Your message Your name \* Your email \* Website Save my name, email, and website in this browser for the next time I comment. Δ [ Go to mobile version ](https://www.selecthub.com/warehouse-management/open-source-warehouse-management-software/?amp=1) **Tier 1:** Fully/moderately supported out-of-the-box allowing for quick and easy deployment. Fully or moderately supported out-of-the-box with industry-leading capabilities and is immediately available after installation without needing any add-ons, integrations, or custom development. **Tier 2:** Supported with workarounds or add-ons that may require additional costs. Not directly available in the software, but can be accomplished using other built-in features, workarounds, or add-ons/products from the vendor with or without any additional cost. **Tier 3:** Requires partner integrations or custom development that is often at an additional cost. Requires additional integrations, plugins, marketplace applications from a third-party vendor, or custom development using the APIs, libraries, extensions, and development framework supported by the software, with or without any additional cost. 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