Compare the Top Free HMI Software as of November 2025

What is Free HMI Software?

HMI software enables machine operators to effectively operate, monitor, and manage a machine or a system of machines. HMI is short for Human Machine Interface. HMI offers both machine-level or supervisory-level functionality, and the operation of HMI software is done by people using a GUI (Graphical User Interface). HMI software is designed to make machine processes less redundant, and more efficient. Compare and read user reviews of the best Free HMI software currently available using the table below. This list is updated regularly.

  • 1
    FactoryStudio
    Tatsoft’s FactoryStudio gives you the tools to rapidly design powerful and secure industrial applications! Features: real-time data modeling, data logging, MQTT broker/client/spB, audit trail, alarms & events, visual SQL query database gateway, high-performance smart displays, HTML5 dashboards, WPF drawing tools, iOS app, trends & annotations, reporting & more! You can program scripts in C#, VB.NET, JavaScript and Python. With ZERO install on the client side, and only 2 minutes install server side, you can be up and building performance improving applications in no time! Includes dozens of built-in native protocol drivers to PLCs, DCSs, and support for other industry standards, like OPC and MQTT. Need a driver we don’t have yet? We also have a toolkit for protocol driver development! FactoryStudio can act as your data hub for everything in your industrial ecosystem: your link between IT and OT, your real-time devices, and your SQL data sources with easy data-binding
    Starting Price: $960 one-time fee
  • 2
    FactoryTalk Optix

    FactoryTalk Optix

    Rockwell Automation

    FactoryTalk® Optix™ is a new visualization platform that accelerates value delivery with modern technologies, innovative designs and scalable deployment options. FactoryTalk Optix can help improve your process, efficiency and deliverables – in one easy to access tool. Take advantage of new levels of collaboration, scalability and interoperability to achieve your HMI vision. New SaaS-enabled workflows will enable your team to collaborate any time, from anywhere, thanks to built-in change tracking and versioning that automatically keeps track of who did what and when. Harness the cloud and become more agile by deploying quickly and scaling based on demand. Use the increased efficiency to beat competitors to market, get to profit faster and improve return on investment. Transform the way you collaborate! The cloud makes it easier for suppliers, employees and customers to collaborate from anywhere in the world.
    Starting Price: $650
  • 3
    Ignition SCADA

    Ignition SCADA

    Inductive Automation

    Ignition SCADA by Inductive Automation® combines an unlimited licensing model, with instant web-based deployment, and the industry-leading toolset for supervisory control and data acquisition (SCADA) — all on one open and scalable universal platform. Ignition is The New SCADA because it solves all the major pain points of old SCADA . Ignition empowers your business to easily control your processes, and track, display, and analyze all your data, without limits. Ignition SCADA software comes standard with a comprehensive set of data acquisition tools which includes built-in OPC UA to connect to practically any PLC, and the ability to seamlessly connect to any SQL database. Ignition can also turn any SQL database into a high-performance industrial historian and connects to IIoT devices through MQTT.
    Starting Price: $1620 one-time fee
  • 4
    Adroit Ignite

    Adroit Ignite

    Adroit Technologies

    Adroit Technologies have been developing SCADA/HMI software for over 30 years. With over 30 000 licenses sold globally into every industry imaginable. The Adroit Ignite HMI software is a perfect derivative of the Adroit SCADA targeted at smaller industrial applications, OEM and machine builders to use. Built on the Microsoft .NET technology stack the Adroit Ignite design surface supports the widest ability to integrate virtually any aspect of your control system. Giving you access to all the familiar .Net controls, Vector Graphics and even allows you to drop in and use your own Custom Controls within your visualization design. Integration can be supported through scripting which is integrated into Visual Studio to allow even the most complex extensions. Our I/O Server delivers data from all the well known PLC brands and open standards such as OPC, OPC UA, Web Services, OLEDB , MQTT, BACNet As we tell our customers, If you can dream it you can build it in Adroit Ignite
    Starting Price: $250 USD
  • 5
    VTScada

    VTScada

    Trihedral

    VTScada is award-winning software that provides a refreshingly intuitive platform for creating highly-customized industrial monitoring and control applications that end users can trust and use with ease. A wide variety of industries around the world use VTScada for mission-critical applications of every size. VTScada is unique in that all its core SCADA components are developed in-house and are installed out-of-the-box. No need to cobble together basic functionality using custom code and third-party components like alarm dialers, Historians, and application version control. Built-in is better.
    Starting Price: $3,295 one-time fee
  • 6
    Predator Software

    Predator Software

    Predator Software

    Since 1994, Predator Software focuses on automating manufacturers worldwide with innovative and award-winning software applications. Predator Software is an industry leader in Industry 4.0, lean manufacturing, industrial networking solutions and automation via shop floor control or SFC. Predator's SFC technologies include CNC networking, machine monitoring, OEE, production data management, data collection, machine simulation & verification, tool & gage crib management, traveler management, CNC post processing, flexible manufacturing systems and robotic cell control software.
    Starting Price: $250
  • 7
    Aircada Pro
    Aircada Pro makes it easy to create augmented reality HMIs and overlay existing SCADA data above each piece of equipment. Workers can harness their phone’s camera to view their data in real-time, gaining access to each of the machines’ schematics, historical data, analytics, and more. Aircada Pro offers several features including: -Live in the field data monitoring. -Augmented reality tasks and work orders. -Alarms for fast response troubleshooting. -Facility map to search and locate all assets. -Messenger for efficient team communication. -Customizable virtual reality SCADA displays. With Aircada Pro and augmented reality, maintenance teams will now have all the information they need, live in the field, to safely, quickly, and enjoyably get the job done.
    Starting Price: $89/month/user
  • 8
    Peakboard

    Peakboard

    Peakboard

    With its low-code platform for creating industrial applications, Peakboard GmbH assists production and logistics companies in monitoring their internal processes and managing their own systems interactively. The solution can gather process data from all common data sources, including SAP, machine controls, material flow controls, and Excel. It can then evaluate and display this data on screens in real-time. This approach enables easy identification of sources of errors, thereby increasing productivity. Customers have the autonomy to decide which key figures they would like to be displayed on the dashboard. Furthermore, information can be relayed to over 90 connected IT interfaces using touchscreens. This establishes an intuitive user interface that employees in production and the warehouse can utilize to interact with the complex IT landscape. As a result, controlling production machinery becomes as simple as using a smartphone.
    Starting Price: 708 € (annually/license)
  • 9
    LAquis SCADA
    Supervisory control and data acquisition system. Monitoring, screens/interface, storage, process control, administration, management, generation of realtime reports and advanced customizable documents with calculations, layouts and algorithms. It can be locally or optionally via the WEB.
  • 10
    GL Studio
    DiSTI's flagship HMI product, GL Studio, delivers advanced high-performance 2D and 3D user interfaces to the aerospace, automotive, industrial, medical, rail, commercial space, and agricultural industries. GL Studio is a GUI editor environment with C++ code generation and runtime library for standard QM embedded apps and Safety Critical apps. Leading global manufacturers and defense organizations like the U.S. Air Force, U.S. Navy, Boeing, NASA, Lockheed Martin, Jaguar Land Rover, Hyundai & Kia Motors, and Fendt Tractors choose GL Studio for its performance, fidelity, interface development, and deployment reliability. GL Studio exceeds the developer's workflow and runtime performance demands for avionics, instrument clusters, heads up displays, infotainment systems, or control systems.
  • 11
    Rapid SCADA

    Rapid SCADA

    Rapid Software

    Rapid SCADA is an open-source industrial automation platform. The out-of-the-box software provides tools for rapid creation of monitoring and control systems. In case of large implementation, Rapid SCADA is used as a core for the development of custom SCADA and MES solutions for a Customer. Open source is the key to software transparency and security. The licensing model permits the creation of new derivative software products. Rapid SCADA is a perfect choice for creating large distributed industrial automation systems. Rapid SCADA runs on servers, embedded computers and in the cloud. Rapid SCADA nodes exchange information between themselves and interact with external databases in real-time. Acquisitions and dispositions are automatically created in your electronic bound book when you receive and sell through our 100% ATF Compliant POS system.
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