Scada-LTS
Open-source web SCADA with a browser UI and HMI builder
- #7 of 8 in best SCADA software
- Free and open source
- Free to use
- Open source
- WebSelf-hosted
Ranked 7 of 8 in best SCADA software
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
About Scada-LTS
Scada-LTS is a web-based SCADA system for building a monitoring and control application on your own server. The user interface runs in a standard web browser. The package includes a data acquisition engine for many polled and pushed protocols, alarms and events, and an HMI builder for graphical screens.
The code is released under the GPL license, and the GitHub repository saw commits in July 2026. Deployment support is available by contacting the project, and the community website hosts documentation. The site does not list every protocol by name. Scada-LTS suits teams that want to own their SCADA stack and run their own server. Teams that need a vendor support contract with service levels should compare commercial products in this list.
Key features
- GPL-2.0 open source
- Browser-based user interface
- HMI builder
- Alarms and events
- Data acquisition engine
Strengths
- GPL-2.0 licensed with public source
- Browser-based user interface with an HMI builder
- Data acquisition for many polled and pushed protocols
Limits
- Protocol list is not published as one list
- Deployment help is by request, not in a standard package
Where Scada-LTS ranks
How Scada-LTS compares
| Product | Score | Price | Platforms | License model | Web client | Protocols |
|---|---|---|---|---|---|---|
#4 FUXA | 86.5 | Free and open source | WebWindowsmacOSLinux | MIT; FUXA Pro one-time 100 euros | Yes | Modbus, OPC UA, MQTT, Siemens S7 |
#5 VTScada | 85.0 | Paid | WindowsWeb | Per seat; priced by I/O tag count | Yes | Modbus, DF1, CIP/ENIP, S7, OPC, DNP3 |
#6 Rapid SCADA | 84.0 | Free and open source | WindowsLinux | Apache 2.0 Standard; paid Enterprise | Yes | Modbus driver; other modules |
| #7Scada-LTS | 81.5 | Free and open source | WebSelf-hosted | GPL-2.0; deployment support on request | Yes | Not named on the site |
#8 INOSOFT VisiWin | 79.5 | Contact for pricing | LinuxWeb | Not stated on the site | Yes | OPC UA server; other drivers not listed |
The full comparison table for best SCADA software has all 8 products.
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Questions about Scada-LTS
- Is Scada-LTS free?
- Scada-LTS can be used without paying: Free under GPL-2.0; deployment support is available on request. Check the vendor’s pricing page for current limits.
- Is Scada-LTS open source?
- Yes. Scada-LTS publishes its source code under the GPL-2.0 license.
- Which platforms does Scada-LTS support?
- Scada-LTS is available on: Web, Self-hosted.
- What is Scada-LTS best for?
- Self-hosted open-source SCADA with a web UI. In our ranking of SCADA software it is number 7 of 8 with a score of 81.5.
- What are the best alternatives to Scada-LTS?
- The highest-ranked alternatives on listme.name are Ignition, SIMATIC WinCC Open Architecture, GENESIS64, FUXA.
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