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Best Open-Source SCADA Software in 2026

3 of the 8 SCADA software ranked on listme.name match: their source code is public under an open-source license. The order uses the same scores as the full ranking.

3 products ranked Updated October 2026 How we rank Share

The ranking

  1. FUXA

    MIT-licensed and browser-based, with a wide protocol list and portable Windows, macOS and Linux builds. Pro features need the paid FUXA Pro edition, so production users should check which features they need.

    Best for Free web dashboards and small SCADA projects

    WebWindowsmacOSLinuxFree and open sourceOpen source

    86.5of 100
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  2. Rapid SCADA

    Apache 2.0 Standard edition with unlimited data points, running on Windows Server or Linux. Enterprise features need the paid license, and training or consulting are separate services.

    Best for Free SCADA on Windows or Linux servers

    WindowsLinuxFree and open sourceOpen source

    84.0of 100
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  3. Scada-LTS

    GPL-2.0 SCADA with a browser UI and an HMI builder, free to run on your own server. The site does not list its protocols by name, and deployment help is on request rather than in a standard package.

    Best for Self-hosted open-source SCADA with a web UI

    WebSelf-hostedFree and open sourceOpen source

    81.5of 100
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At a glance

ProductScorePricePlatformsLicense modelWeb clientProtocols
FUXA86.5Free and open sourceWebWindowsmacOSLinuxMIT; FUXA Pro one-time 100 eurosYesModbus, OPC UA, MQTT, Siemens S7
Rapid SCADA84.0Free and open sourceWindowsLinuxApache 2.0 Standard; paid EnterpriseYesModbus driver; other modules
Scada-LTS81.5Free and open sourceWebSelf-hostedGPL-2.0; deployment support on requestYesNot named on the site