WMSmart 3.1 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The actual developer of the software is Invenology. The software lies within Business Tools, more precisely Inventory. We recommend checking the downloaded files with any free antivirus.
From the developer:
WMSmart Solution is an all-in-one modular system that is tailored to meet the needs of the logistics business operation with a strong orientation towards warehouse management and inventory control. The solution is specifically designed for small businesses. Nevertheless, the solution’s well founded infrastructure easily scales up for larger deployments and implementations required by growing businesses.
You may want to check out more software, such as TEC-IT TBarCode/SAPwin, InventoryPower or DataMatrix.NET Control, which might be similar to WMSmart.