5 Best Free and Open Source Inventory Management Software

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Inventory mismanagement is rampant across the industry despite the best efforts of operations managers, employees, and companies. Mismanagement results in canceled orders due to inventory shortages, which in turn, lead to revenue losses.

Deciding to use inventory management software is the right step, but how do you justify the ROI when you’re already suffering losses? The solution is free inventory management software.

But why free software?

First, it doesn’t cost you anything. This provides the ROI justification to implement it. Second, it helps you improve the customer experience you have to offer. The free software automatically tracks your inventory and alerts you in case of shortage. With this automation, you can significantly reduce the chances of order cancellation.

A free inventory management solution will trigger business growth in two ways: you save on software costs and reduce revenue losses due to canceled orders.

To help you find the right free software for your business, we’ve analyzed the reviews and functionalities of about 90 free and open source inventory management solutions listed on Capterra. Of these solutions, we then shortlisted the best five tools.

This article looks at five highly rated free inventory management software options. See the full list of free inventory management software solutions here.

What does “best” mean? Each of the five tools included in this piece has a minimum user rating of 4.0 over the past year. You can find our full methodology here. We’ve sorted this list in alphabetical order.

Comparative table of the 5 best inventory management systems

5 best free and open-source inventory management solutions

1. inFlow Inventory

inFlow Inventory suits businesses of all sizes. Its free version is deployed on-premise and lets you manage up to 100 products and customers. This version includes barcoding, cost management, sales orders, purchase orders, and count sheet functionalities.

inFlow’s unique selling point (USP) is its payments tracking functionality, which provides real-time details of all the completed and pending payment transactions.

Users can upgrade to two paid plans—Regular and Premium. In addition to the features in the free version, these plans include separate user logins, bills of materials (BOM), work orders, and product serial numbers management.

Pros Cons
Capterra reviewers found the product’s inventory forecasts helpful in curbing the instances of over-orders and inventory shortages. They also said that eCommerce integrations, such as Magento and Shopify, helped them manage their online inventory. Users note that the lack of accounting integration is a disadvantage. They have to export transaction data from inFlow and manually add it to their accounting tool. Some reviewers also feel that the product’s invoice templates are outdated. They noted that the templates need an upgrade with new layouts and formats.

Cost to upgrade: $399 per user for the Regular plan.

Highly rated by: In 2018-2019, 82% of inFlow’s reviewers worked in small businesses (with less than 200 employees). These businesses operate in industries such as retail, electrical and electronics manufacturing, and construction.

Mobile apps: Android, iOS

Summaries in inFlow inventory

Inventory tracking in inFlow

2. Odoo

Odoo is an open source enterprise resource planning (ERP) solution for businesses of all sizes.

But, what is an ERP solution doing in this list?

Despite Odoo being an ERP tool, users can download and access its inventory module, using it as a standalone inventory management solution. Odoo’s USP is that it is a full suite ERP, making the product suitable for your CRM, project management, and business management needs.

Odoo is available for free if you implement only the inventory management module. Users need to pay for other apps such as CRM and project management.

Pros Cons
Capterra reviewers found Odoo’s accounting integration helpful as it eliminates the time needed to manually move the transaction data to the accounting system. They also said that Odoo’s community forum helped them get answers to the questions they posted on the forum. Some users said that the installation and customization require basic knowledge of the Python programming language. Some also reported that the lack of proper product documentation was a hurdle during product setup and training.

Cost to upgrade: The inventory module is completely free.

Highly rated by: In 2018-2019, about 82% of Odoo’s reviewers were from small businesses. They were from industries such as software technology, IT services, and retail.

Mobile apps: Android, iOS

Warehouse tracking in Odoo

Warehouse dashboard in Odoo (Source)

3. Sortly

Sortly is a cloud-based inventory management solution for businesses of all sizes. Its free plan supports one user and lets you manage up to 100 transaction entries per month.

Sortly’s USP is its product tagging and cataloging functionality that lets users create product catalogs with up to eight photos for each item.

If you want to manage more than 100 entries per month, upgrade to the Advanced or Ultra plans. In addition to the features offered in the free version, these plans offer QR code tagging and scanning, user activity tracking, document management, and customized branding.

Pros Cons
Capterra reviewers find Sortly’s mobile app helpful in remotely tracking as well as managing inventory and re-orders. They also said that the product’s barcode and serial number functionalities helped them track inventory movement more efficiently because they were able to implement barcodes easily. Some users noted that once you upgrade the product, the total cost increases sharply when you add more users. They said that the product’s inventory history functionality provides a list of records that is complex and difficult to understand. They feel that this functionality could be made easier to understand.

Cost to upgrade: The Advanced plan starts at about $40 per month for up to three users.

Highly rated by: In 2018-2019, about 80% of Sortly’s reviewers were from small businesses. Most of these reviewers came from the design, construction, and retail sectors.

Mobile apps: Android, iOS

Catalog management in Sortly

Managing product catalogs in Sortly

4. ZhenHub

ZhenHub is a cloud-based logistics and inventory management solution for small and midsize businesses (SMBs). Its free version offers inventory tracking, shipment tracking, and warehouse management.

ZhenHub’s USP is its shipping management functionality that integrates with multiple shipping solutions such as DHL and FedEx. It lets you schedule, manage, and track orders from these providers.

The free version lets you manage one warehouse and supports up to 50 online orders per month. If you want to manage more orders per month or add more warehouses, you can upgrade to the Starter, Standard, or Professional plans.

Pros Cons
Capterra reviewers found the Shopify integration helpful as they were able to manage their inventory and shipping for website orders with ease. They also found the product’s features easily customizable as per their business needs. Some users said that they experienced a lag when using the shipping tracking functionality. They said that it can sometimes take time for the shipping status to sync up with the shipper’s account. Some also mentioned that as ZhenHub charges both sender and receiver fees for international transfers, it can make billing costly.

Cost to upgrade: $29 per month for the Starter plan.

Highly rated by: In 2018-2019, all of ZhenHub’s reviewers came from small businesses in the apparel and fashion as well as consumer electronics sectors.

Mobile apps: Not available.

Order management in ZhenHub

Order tracking in ZhenHub (Source)

5. Zoho Inventory

Zoho Inventory is a cloud-based inventory and warehouse management solution for SMBs. Its free version lets you manage 20 online orders, 20 offline orders, 12 shipments, and 1 warehouse per month. This version also lets you select and manage shipping providers for your orders.

Workflow management functionality is the free version’s USP. It triggers an alert as soon as the stock dips below the critical level and lets you re-order the stock.

Besides the Free plan, users can upgrade to three paid plans—Basic, Standard, and Professional. These plans offer serial number tracking, batch tracking, a higher number of orders per month, composite items management, and all the free features.

Pros Cons
Capterra reviewers find the product’s sales order (SO), purchase order (PO), and expense tracking functionalities helpful in automating inventory procurement. They also noted that Zoho’s shipping management tracking functionality helped them schedule and track the location of inventory items more efficiently. A few reviewers from manufacturing companies found the lack of a bill of material (BOM) functionality to be a disadvantage. They were forced to use a time-consuming workaround in place of this feature. Some users also reported issues in syncing data when managing eCommerce orders.

Cost to upgrade: $49 per month for the Basic plan.

Highly rated by: In 2018-2019, 98% of Zoho Inventory’s reviewers were from small businesses. Most of these reviewers belonged to the retail, electrical and electronics manufacturing, consumer goods, and IT services industries.

Mobile apps: Android, iOS

Shipping integration in Zoho Inventory

Shipping management in Zoho Inventory

The final decision: Which free inventory management solution to invest in?

After reviewing this list, the next step is to find out which one of these products will best fit your business needs. Here are the steps to help you do just that:

  • Shortlist solutions based on the number of monthly orders allowed in the free plan.
  • Review this features list and select the features you’ll need in your business. Shortlist those products that offer all the essential features you need.
  • Decide an annual budget for the inventory management software. Select products that fit within your budget, so that you can afford all the upgrades.

If you’ve used, or are currently using, a free inventory management system that works well for you, please let us know in the comments section below.

For more information on inventory management software, you can also read the following reports:


    This article was updated Aug. 12, 2019. Products considered for this article fulfill the following criteria:

    1. It must be free

    For the purposes of this article, we classified a product as free if:

    • It offers a free, standalone version of the software.
    • It is not a trial version of the software where you must purchase a product version after a limited amount of time.

    2. Meet fit inventory management software defiition

    The products that met the above criteria were then evaluated against our inventory management software definition: Inventory management software helps businesses track and manage product location, item details, and stock level as well as report on trends to inform forecasting decisions, so that it reduces the costs of holding overstock and missed revenue from running out of stock.

    This check verified the basic inventory management software capabilities and appropriateness for the category. A product was classified as inventory management software if it contained all the core features—inventory information management, product identification, and inventory optimization.

    3. Have minimum number of reviews

    Software that met the market definition also needed a minimum of 10 reviews published on the inventory management software page between June 12, 2018 and June 11, 2019. During this period, the product’s overall rating aggregated over the past year should be higher than 4.0.


    The content in this piece provides opinions and points of view expressed by users and does not represent the views of Capterra.

    Looking for Inventory Management software? Check out Capterra's list of the best Inventory Management software solutions.

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    About the Author

    Harshit Srivastava

    Harshit Srivastava

    Harshit Srivastava is a Senior Content Analyst with Capterra covering Supply Chain Management and Enterprise Resource Planning software markets. He holds a Bachelor's degree in Mechanical Engineering from BITS Pilani (India) and has been working in the field of technology research since 2013. His work has been cited in notable publications such as HR Dive, CIO Dive, Small Business Trends Magazine, and HR Technologist.



    Great comparison


    WIZT keeps track of every single item you’ve stored. Tracking an item is as simple as snapping a picture; finding it again is as simple as asking “Where is that thing?


    Quick tip:
    The software has to be compatible with both windows and mac os.
    User interface must be easy to use.
    Has to offer good support.


    Such a nice blog! The system should enable you to take control of your business, inventory, renewal and maintenance cycles. User friendly, and comprehensive. Thanks for sharing an informative things here!


    Not that I’m aware of, no. I would recommend reaching out to the software developer directly for that question.


    Are any of these systems available in Spanish?


    Kathy and Anthony, this article from our partners at Software Advice may answer your questions: https://www.softwareadvice.com/resources/lot-tracking-food-distributors/


    Want a system that track food stock for a school and menu tracking of the food used

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