OpenPLC Alternatives 2026 — Top Competitors Ranked

You're looking at alternatives to:

OpenPLC

OpenPLC is an open-source PLC software platform designed to be a cost-effective alternative to commercial PLCs. It supports IEC 61131-3 programming languages. Performance and features are limited compared to commercial PLCs. Requires specific hardware to run.

6.8 Fair

apps Top OpenPLC Alternatives

The top alternative to OpenPLC in 2026 is National Instruments CompactRIO with a score of 9.6/10, followed by Beckhoff TwinCAT 3 (9.0) and Siemens TIA Portal (8.7).

National Instruments CompactRIO

The CompactRIO is a rugged, real-time embedded system ideal for industrial automation, machine control, and data acquisi...

Real Time Fpga Embedded Systems Industrial Automation

9.6 Brilliant

Beckhoff TwinCAT 3

TwinCAT 3 is a real-time automation software platform from Beckhoff that transforms standard PC hardware into a powerful...

Software Automation Real Time Motion Control

9.0 Excellent

Siemens TIA Portal

Siemens TIA Portal is a unified engineering framework for programming Siemens PLCs, HMIs, and drives. It simplifies auto...

Software Engineering Siemens Engineering Software

8.7 Very Good

Allen-Bradley ControlLogix

Allen-Bradley ControlLogix is a high-performance Programmable Logic Controller (PLC) widely used in industrial automatio...

Motion Control Industrial Automation PLC Control Systems

8.5 Very Good

MATLAB Simulink

Simulink is the graphical environment within the MATLAB ecosystem dedicated to modeling dynamic systems. Instead of writ...

Automotive Simulation Modeling Embedded Systems

8.1 Very Good

Ignition SCADA

Ignition SCADA is a web-based SCADA platform for industrial automation and data visualization. It offers a modular archi...

Automation Web Based Scada Hmi

6.5 Fair

DeltaV

DeltaV is a distributed control system (DCS) from Emerson, used in process industries. It offers advanced control and op...

Process Automation Scada Dcs Emerson

6.3 Fair

ControlDev

ControlDev is an open-source PLC development environment based on web technology. It aims to provide a modern and access...

Open Source Industrial Automation PLC Iec 61131 3

6.0 Fair

uAutomation Studio

uAutomation Studio is a software suite for designing, programming, and deploying PLCs, HMIs, and SCADA systems. It offer...

Automation Scada PLC Hmi

6.0 Fair

Click PLC

Click PLC is a web-based PLC environment that allows users to program PLCs using a visual programming interface. It's de...

Online Automation Visual Programming Industrial Automation

5.5 Average

Open Source Automation (OSA)

Open Source Automation (OSA) is a project aiming to create a fully open-source PLC system. It's still in early developme...

Automation Open Source Industrial Automation PLC

5.2 Average

EasyPLC

EasyPLC is a simplified PLC simulation software designed for educational purposes. It provides a basic introduction to P...

Educational Simulation Beginner PLC

4.8 Poor

Raspberry Pi Pico

The original Pico is a fantastic, bare-bones microcontroller board. It is perfect for learning the fundamentals of embed...

Low Cost IOT Learning Microcontroller

4.0 Poor

summarize Quick Comparison Summary

Alternative	Score	vs OpenPLC	Action
National Instruments CompactRIO	9.6	+2.8	Compare
Beckhoff TwinCAT 3	9.0	+2.2	Compare
Siemens TIA Portal	8.7	+1.9	Compare
Allen-Bradley ControlLogix	8.5	+1.7	Compare
MATLAB Simulink	8.1	+1.3	Compare
Ignition SCADA	6.5	-0.3	Compare
DeltaV	6.3	-0.5	Compare
ControlDev	6.0	-0.8	Compare
uAutomation Studio	6.0	-0.8	Compare
Click PLC	5.5	-1.3	Compare

See all Digital Control ranked by score

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help Frequently Asked Questions

What are the best alternatives to OpenPLC?

The top alternatives to OpenPLC in 2026 include National Instruments CompactRIO, Beckhoff TwinCAT 3, Siemens TIA Portal, Allen-Bradley ControlLogix, MATLAB Simulink. Each offers unique features and is objectively scored on Lunoo to help you compare.

How does OpenPLC compare to its competitors?

Our AI-powered comparison system analyzes features, pricing, user reviews, and expert opinions to provide objective scores. OpenPLC scores 6.8/10. Click any alternative above to see a detailed side-by-side comparison.

Is OpenPLC worth it in 2026?

OpenPLC scores 6.8/10 in the Digital Control category. We recommend comparing it with the 13 alternatives listed above to find the best fit for your needs.

What is the best free alternative to OpenPLC?

Several alternatives to OpenPLC offer free plans or free tiers. Check the alternatives listed above and visit their websites to compare pricing and free options.

Why should I switch from OpenPLC?

Common reasons users look for OpenPLC alternatives include pricing, specific feature gaps, better integration needs, or simply exploring newer options. Our objective scoring helps you compare without bias.

How many alternatives to OpenPLC are there?

Lunoo currently lists 13 scored alternatives to OpenPLC in the Digital Control category, ranked by our AI-powered evaluation system.

Which OpenPLC alternative has the highest rating?

National Instruments CompactRIO currently holds the highest rating among OpenPLC alternatives with a score of 9.6/10.

Can I use National Instruments CompactRIO instead of OpenPLC?

National Instruments CompactRIO is one of the top-rated alternatives to OpenPLC. While they serve similar purposes in the Digital Control space, each has distinct strengths. Use our comparison tool above for a detailed side-by-side analysis.

What is the cheapest alternative to OpenPLC?

Pricing varies among OpenPLC alternatives. We recommend checking each alternative's website for current pricing. Many options in the Digital Control category offer free tiers or competitive pricing.

How are OpenPLC alternatives ranked on Lunoo?

Lunoo uses an AI-powered scoring system that analyzes features, user reviews, expert opinions, market presence, and value to provide objective 0-10 scores. Rankings are updated continuously.

OpenPLC vs National Instruments CompactRIO: which is better?

OpenPLC scores 6.8/10 while National Instruments CompactRIO scores 9.6/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

OpenPLC vs Beckhoff TwinCAT 3: which is better?

OpenPLC scores 6.8/10 while Beckhoff TwinCAT 3 scores 9.0/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

OpenPLC vs Siemens TIA Portal: which is better?

OpenPLC scores 6.8/10 while Siemens TIA Portal scores 8.7/10 on Lunoo. The best choice depends on your specific needs. Use our detailed comparison tool for a full breakdown.

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