While you mentioned version 1.2.1 from 2021, the software has since been updated. As of late 2025, the current release is .
| Software | Key Features | | :--- | :--- | | | Powerful web-based SCADA/HMI, high scalability, offers a free trial mode. | | WinCC | Siemens' comprehensive HMI/SCADA platform, known for deep integration with its PLC ecosystem. | | C-more | AutomationDirect's user-friendly and affordable HMI solution. | | AdvancedHMI | An open-source .NET-based HMI that is flexible and cost-effective, requiring Visual Studio for development. | | Beremiz | A free, open-source IDE for PLC programming that can also integrate with HMI tools. | vijeo designer basic 121 2021 free download