---

title: "Free PLC Programming Software: Complete List & Reviews 2025"

excerpt: "Discover the best free PLC programming software and simulators in 2025. Complete reviews of open-source PLC platforms, educational tools, and manufacturer-provided free software with download links and feature comparisons."

publishDate: "2025-06-22"

tags: ["Free PLC Software", "PLC Simulator", "Open Source PLC", "PLC Programming Tools", "Industrial Automation"]

slug: "free-plc-programming-software-complete-list-reviews"

image: "/images/blog/free-plc-programming-software.jpg"

author: "PLC Programming Expert"

readingTime: "14 min read"

---

Free PLC Programming Software: Complete List & Reviews 2025

Learning PLC programming doesn't have to break the bank. Whether you're a student getting started in industrial automation, an experienced engineer exploring new platforms, or a professional needing simulation capabilities, free PLC programming software provides excellent opportunities to develop and practice your skills.

This comprehensive guide reviews the best free PLC programming software available in 2025, including open-source platforms, manufacturer-provided tools, educational versions, and simulation environments. Each review includes feature analysis, compatibility information, learning resources, and direct download links to help you choose the right tools for your needs.

From industry-standard simulation software to powerful open-source alternatives, these free tools provide everything you need to learn, practice, and even deploy professional PLC programming solutions without licensing costs.

Table of Contents

1. [Why Use Free PLC Programming Software?](#why-use-free-plc-programming-software)

2. [Manufacturer-Provided Free Software](#manufacturer-provided-free-software)

3. [Open-Source PLC Programming Platforms](#open-source-plc-programming-platforms)

4. [Educational and Simulation Software](#educational-and-simulation-software)

5. [Web-Based PLC Simulators](#web-based-plc-simulators)

6. [Mobile PLC Programming Apps](#mobile-plc-programming-apps)

7. [Feature Comparison Matrix](#feature-comparison-matrix)

8. [Installation and Setup Guides](#installation-and-setup-guides)

9. [Learning Resources and Tutorials](#learning-resources-and-tutorials)

10. [Limitations and Considerations](#limitations-and-considerations)

11. [Frequently Asked Questions](#frequently-asked-questions)

Why Use Free PLC Programming Software?

Free PLC programming software offers numerous advantages for different user groups, from students and hobbyists to professional engineers and system integrators.

Educational Benefits

Learning PLC programming with free software eliminates financial barriers and provides hands-on experience with various platforms. Students can explore different programming approaches, practice ladder logic development, and understand industrial automation concepts without expensive software licenses.

Professional Development

Experienced engineers can evaluate new platforms, test program concepts, and maintain skills on multiple PLC brands using free software alternatives. This versatility proves valuable when working with diverse client systems or considering platform migrations.

Cost-Effective Prototyping

Free software enables rapid prototyping and proof-of-concept development without upfront licensing costs. Small companies and startups can develop automation solutions and demonstrate capabilities before investing in commercial software packages.

Training and Demonstration

Training organizations, universities, and consultants use free PLC software for educational programs, workshops, and system demonstrations. These tools provide realistic programming environments without per-student licensing requirements.

Manufacturer-Provided Free Software

Major PLC manufacturers offer free versions of their programming software with varying limitations and capabilities. These tools provide authentic programming experiences with actual manufacturer instruction sets and development environments.

Allen Bradley Connected Components Workbench

Connected Components Workbench (CCW) provides free programming capabilities for Allen Bradley Micro800 series PLCs and PanelView 800 HMIs. This professional-grade software offers full functionality for supported hardware platforms.

Key Features:

- Complete programming environment for Micro800 PLCs

- Ladder logic, function block diagram, and structured text support

- Integrated HMI development for PanelView 800 series

- Built-in simulation mode for offline testing

- EtherNet/IP communication configuration

- Motion control programming for servo applications

System Requirements:

- Windows 10 or Windows 11 (64-bit)

- 4GB RAM minimum, 8GB recommended

- 4GB available hard disk space

- .NET Framework 4.8 or later

Download Information:

Available free from Rockwell Automation website with registration required. Regular updates provide new features and hardware support. No licensing limitations for supported hardware platforms.

Best For: Learning Allen Bradley programming methods, developing applications for Micro800 systems, understanding EtherNet/IP communication, and gaining familiarity with Rockwell Automation development approaches.

Siemens LOGO! Soft Comfort

LOGO! Soft Comfort provides comprehensive programming capabilities for Siemens LOGO! logic modules, offering both simple function block programming and advanced text-based development.

Key Features:

- Intuitive function block programming interface

- Ladder diagram programming support

- Built-in simulation with 3D visualization

- Timer, counter, and mathematical function blocks

- Communication function support (Ethernet, Modbus)

- Text display and analog value processing

Programming Approach:

The software emphasizes visual programming with drag-and-drop function blocks. Users connect blocks to create control logic without traditional ladder logic complexity. Advanced users can access structured text programming for complex algorithms.

Hardware Support:

- LOGO! 12/24RC, 12/24RCE, 12/24RCO series

- LOGO! 24, 24o, 230RC, 230RCE, 230RCO series

- LOGO! 8 series with various power supply options

- Ethernet communication modules

Best For: Simple automation applications, building automation systems, small machine control, and introducing programming concepts to beginners.

Schneider Electric EcoStruxure Machine Expert - Basic

EcoStruxure Machine Expert - Basic provides free programming capabilities for Schneider Electric Modicon M221 and M241 PLCs, supporting multiple IEC 61131-3 programming languages.

Key Features:

- Full IEC 61131-3 language support (Ladder, FBD, ST, SFC)

- Integrated simulation environment

- Web visualization creation tools

- Motion control programming capabilities

- Modbus and Ethernet communication support

- Comprehensive instruction library

Programming Experience:

The software provides professional development capabilities with advanced debugging tools, online monitoring, and comprehensive diagnostic features. Users can develop complex applications using multiple programming languages within single projects.

Educational Resources:

Schneider Electric provides extensive learning materials, including tutorial videos, application examples, and programming guides specifically designed for the free software version.

Best For: Learning IEC 61131-3 programming languages, exploring motion control concepts, understanding Modbus communication, and developing small to medium automation applications.

Mitsubishi Electric GX Works3 - Limited Version

GX Works3 Limited Version offers restricted functionality for Mitsubishi FX series PLCs, providing authentic programming experience with professional development tools.

Key Features:

- Ladder logic programming with professional editor

- Function block programming support

- Basic simulation capabilities

- Project documentation tools

- Online monitoring and debugging

- Limited I/O point support (up to 256 points)

Limitations:

The limited version restricts project size, advanced instructions, and certain communication features. These limitations make it suitable for learning and small applications while encouraging upgrades for commercial projects.

Best For: Learning Mitsubishi programming conventions, understanding Japanese PLC programming approaches, and developing small automation projects.

Open-Source PLC Programming Platforms

Open-source PLC programming platforms provide complete freedom from licensing restrictions while offering powerful programming capabilities and community support.

OpenPLC Project

OpenPLC represents the most comprehensive open-source PLC programming platform, offering industrial-grade capabilities with complete source code availability.

Architecture:

OpenPLC consists of two main components: the OpenPLC Editor for program development and the OpenPLC Runtime for program execution. This separation allows development on various platforms while supporting diverse target hardware.

Key Features:

- Complete IEC 61131-3 programming language support

- Web-based monitoring and configuration interface

- Modbus TCP/RTU communication support

- Support for Arduino, Raspberry Pi, and industrial hardware

- SCADA integration with ScadaBR and other systems

- Active community development and support

Programming Languages:

- Ladder Logic (LD) with comprehensive instruction set

- Function Block Diagram (FBD) for complex control algorithms

- Structured Text (ST) for mathematical and logical operations

- Instruction List (IL) for low-level programming

- Sequential Function Chart (SFC) for batch and sequential operations

Hardware Compatibility:

- Raspberry Pi (all models) with GPIO and expansion boards

- Arduino Uno, Mega, and compatible boards

- Industrial PC platforms running Linux or Windows

- UniPi controllers and other industrial Single Board Computers

- Custom hardware through driver development

Community and Support:

The OpenPLC project maintains active forums, documentation wikis, and tutorial repositories. Regular community contributions provide new features, hardware drivers, and application examples.

Best For: Students learning industrial automation, researchers developing new control algorithms, small companies needing cost-effective PLC solutions, and anyone interested in understanding PLC internal operations.

Beremiz IDE

Beremiz provides a complete open-source framework for automation programming with emphasis on distributed systems and advanced programming techniques.

Key Features:

- IEC 61131-3 compliant programming environment

- Distributed control system support

- Python integration for advanced algorithms

- CANopen communication support

- Real-time operating system integration

- Extensible architecture for custom development

Programming Capabilities:

Beremiz excels in complex applications requiring multiple programming languages and advanced system integration. The platform supports Python scripting for mathematical operations, data analysis, and communication protocols not available in traditional PLC programming.

Target Platforms:

- Linux-based industrial computers

- Real-time Linux systems

- Embedded ARM processors

- CANopen-compatible hardware

- Custom hardware through driver development

Best For: Advanced automation projects, research applications, distributed control systems, and integration of traditional PLC programming with modern software development.

PLCOpen Editor

PLCOpen Editor provides a lightweight, focused approach to IEC 61131-3 programming with emphasis on code quality and standards compliance.

Key Features:

- Standards-compliant IEC 61131-3 implementation

- Cross-platform compatibility (Windows, Linux, macOS)

- Lightweight installation and resource requirements

- Export capabilities to various target platforms

- Version control integration

- Professional code editing features

Development Philosophy:

The editor emphasizes clean, maintainable code development with strong adherence to international standards. This approach makes programs portable between different target systems and promotes good programming practices.

Best For: Learning IEC 61131-3 standards, developing portable automation code, understanding PLC programming principles, and creating documentation-quality program examples.

Educational and Simulation Software

Educational PLC software provides realistic programming experiences with extensive simulation capabilities, making them ideal for training and skill development.

PLCLogix 5000

PLCLogix 5000 simulates Allen Bradley ControlLogix and CompactLogix systems with comprehensive programming and simulation capabilities.

Key Features:

- Authentic Allen Bradley instruction set implementation

- 3D simulation environments for various industrial applications

- Comprehensive I/O simulation with realistic device behaviors

- Built-in training modules and exercises

- Progress tracking and assessment tools

- Multi-user classroom management capabilities

Simulation Environments:

The software includes multiple industrial simulation scenarios:

- Bottling line automation with conveyor systems

- Traffic light control systems

- Elevator control and safety systems

- Industrial mixing and batching processes

- Temperature control and HVAC systems

Educational Integration:

PLCLogix integrates with educational curricula and provides structured learning paths for different skill levels. Instructors can create custom exercises and track student progress through built-in assessment tools.

Best For: Classroom instruction, self-paced learning, Allen Bradley skill development, and understanding industrial automation applications.

Automation Studio Educational Edition

Automation Studio Educational Edition provides comprehensive simulation capabilities for pneumatic, hydraulic, and electrical control systems with integrated PLC programming.

Key Features:

- Multi-domain simulation (pneumatic, hydraulic, electrical)

- PLC programming with multiple language support

- Realistic component behavior modeling

- Comprehensive component libraries

- Animation and visualization capabilities

- Educational curriculum integration

System Integration:

The software demonstrates how PLCs integrate with mechanical, pneumatic, and hydraulic systems, providing holistic understanding of automation system design and operation.

Best For: Comprehensive automation education, system integration understanding, multi-disciplinary learning, and vocational training programs.

Factory I/O

Factory I/O provides realistic 3D industrial simulation environments specifically designed for PLC programming training and testing.

Key Features:

- Photorealistic 3D industrial environments

- Multiple communication protocols (Modbus, EtherNet/IP, PROFINET)

- Extensive sensor and actuator simulation

- Pre-built factory scenarios and custom scene creation

- Integration with major PLC programming software

- Performance analytics and reporting

Available Scenarios:

- Sorting systems with multiple criteria

- Assembly line automation

- Warehouse management systems

- Quality control stations

- Packaging and palletizing systems

PLC Integration:

Factory I/O connects to various PLC programming software packages, allowing users to test their programs with realistic industrial simulations before deploying to actual hardware.

Best For: PLC program testing, training with realistic industrial scenarios, understanding sensor and actuator behavior, and bridging the gap between programming and physical systems.

Web-Based PLC Simulators

Web-based PLC simulators provide convenient access to PLC programming tools without software installation requirements, making them excellent for quick learning and demonstration purposes.

PLC Fiddle

PLC Fiddle offers browser-based PLC programming with instant simulation feedback and sharing capabilities.

Key Features:

- Instant ladder logic programming in web browser

- Real-time simulation with visual feedback

- Program sharing and collaboration tools

- Mobile device compatibility

- No installation or registration required

- Extensive example program library

Programming Interface:

The web interface provides drag-and-drop ladder logic programming with immediate simulation results. Users can test programs instantly and share working examples with others through simple links.

Educational Applications:

PLC Fiddle excels for quick concept demonstrations, homework assignments, and collaborative learning. The instant feedback helps students understand logic relationships and timer operations.

Best For: Quick concept testing, educational demonstrations, sharing programming examples, and mobile learning applications.

PLCTrainer Online

PLCTrainer provides structured online PLC programming courses with integrated simulation and assessment tools.

Key Features:

- Progressive skill-building exercises

- Multiple PLC platform simulations

- Automated assessment and feedback

- Progress tracking and certification

- Instructor dashboard for classroom management

- Mobile-responsive design

Course Structure:

The platform provides structured learning paths covering basic concepts through advanced programming techniques. Interactive exercises provide immediate feedback and reinforce learning objectives.

Best For: Structured PLC learning, certification preparation, classroom instruction, and professional development programs.

Mobile PLC Programming Apps

Mobile applications provide convenient access to PLC programming concepts and basic simulation capabilities on smartphones and tablets.

PLC Simulator

PLC Simulator for Android provides basic PLC programming simulation with touch-friendly interface design.

Key Features:

- Touch-optimized ladder logic programming

- Basic instruction set (contacts, coils, timers, counters)

- Simulation with virtual I/O indicators

- Program save and load functionality

- Educational example programs

- Offline operation capability

User Interface:

The app adapts traditional PLC programming concepts for touch interfaces, making ladder logic programming accessible on mobile devices.

Best For: Mobile learning, concept review, basic simulation, and introducing PLC concepts to beginners.

Ladder Logic Simulator

Ladder Logic Simulator provides iOS-compatible PLC programming simulation with comprehensive instruction support.

Key Features:

- Complete ladder logic programming environment

- Comprehensive timer and counter instructions

- Mathematical and comparison functions

- Program documentation and commenting

- Export capabilities for sharing programs

- Integration with cloud storage services

Best For: iOS users learning PLC programming, mobile program development, and portable simulation capabilities.

Feature Comparison Matrix

Understanding the capabilities and limitations of different free PLC programming software helps select the most appropriate tools for specific applications and learning objectives.

Programming Language Support

| Software | Ladder Logic | Function Block | Structured Text | SFC | Instruction List |

|----------|--------------|----------------|-----------------|-----|------------------|

| Connected Components Workbench | ✓ | ✓ | ✓ | ✗ | ✗ |

| LOGO! Soft Comfort | ✓ | ✓ | ✗ | ✗ | ✗ |

| EcoStruxure Machine Expert - Basic | ✓ | ✓ | ✓ | ✓ | ✗ |

| OpenPLC | ✓ | ✓ | ✓ | ✓ | ✓ |

| Beremiz | ✓ | ✓ | ✓ | ✓ | ✓ |

| PLCLogix 5000 | ✓ | ✓ | ✓ | ✓ | ✗ |

Communication Protocol Support

| Software | Ethernet/IP | Modbus TCP | Modbus RTU | PROFINET | CANopen |

|----------|-------------|------------|------------|----------|---------|

| Connected Components Workbench | ✓ | ✓ | ✓ | ✗ | ✗ |

| OpenPLC | ✗ | ✓ | ✓ | ✗ | ✗ |

| Beremiz | ✗ | ✓ | ✓ | ✗ | ✓ |

| EcoStruxure Machine Expert - Basic | ✗ | ✓ | ✓ | ✗ | ✗ |

| Factory I/O | ✓ | ✓ | ✓ | ✓ | ✗ |

Target Hardware Support

| Software | Arduino | Raspberry Pi | Industrial PC | Proprietary Hardware |

|----------|---------|--------------|---------------|----------------------|

| OpenPLC | ✓ | ✓ | ✓ | ✗ |

| Beremiz | ✗ | ✓ | ✓ | ✗ |

| Connected Components Workbench | ✗ | ✗ | ✗ | ✓ (Micro800) |

| LOGO! Soft Comfort | ✗ | ✗ | ✗ | ✓ (LOGO!) |

| EcoStruxure Machine Expert - Basic | ✗ | ✗ | ✗ | ✓ (M221/M241) |

Installation and Setup Guides

Proper installation and configuration of free PLC programming software ensures optimal performance and functionality for learning and development activities.

OpenPLC Installation Guide

Windows Installation:

1. Download OpenPLC Editor from official GitHub repository

2. Install Python 3.7 or later with PATH environment variable set

3. Install required Python packages using pip package manager

4. Launch OpenPLC Editor and verify functionality

5. Configure target hardware communication settings

Linux Installation:

```bash

sudo apt update

sudo apt install python3 python3-pip git

git clone https://github.com/thiagoralves/OpenPLC_Editor.git

cd OpenPLC_Editor

./install.sh

./openplc_editor.sh

```

Raspberry Pi Runtime Setup:

1. Install Raspberry Pi OS with desktop environment

2. Enable SSH and I2C interfaces through raspi-config

3. Download and install OpenPLC Runtime

4. Configure GPIO mapping for I/O points

5. Test communication with OpenPLC Editor

Connected Components Workbench Setup

System Preparation:

1. Verify Windows 10/11 64-bit operating system

2. Install .NET Framework 4.8 or later

3. Disable antivirus software during installation

4. Ensure administrative privileges for installation

Installation Process:

1. Register on Rockwell Automation website

2. Download Connected Components Workbench installer

3. Run installer with administrative privileges

4. Select complete installation with all components

5. Restart computer after installation completion

Initial Configuration:

1. Launch software and create new project

2. Configure communication settings for target hardware

3. Test simulation mode with sample program

4. Verify online help and documentation access

5. Configure backup and project file locations

Learning Resources and Tutorials

Maximizing the educational value of free PLC programming software requires access to quality learning resources, tutorials, and practice exercises.

Official Documentation and Tutorials

Manufacturer Resources:

Most manufacturers provide comprehensive documentation, video tutorials, and application examples for their free software packages. These resources offer authentic learning experiences aligned with commercial software capabilities.

OpenPLC Learning Materials:

- Official wiki with installation and programming guides

- YouTube channel with comprehensive tutorial series

- GitHub repository with example programs and projects

- Community forum with technical support and discussions

- University course materials and laboratory exercises

Online Learning Platforms

YouTube Channels:

- "PLC Programming" channels with manufacturer-specific tutorials

- Industrial automation educational content creators

- University lectures and course materials

- Application-specific programming examples

- Troubleshooting and debugging techniques

Educational Websites:

- PLCacademy.com with structured courses and exercises

- Automation.com with technical articles and tutorials

- Control.com forums with community-driven learning

- LinkedIn Learning and Coursera PLC programming courses

- Manufacturer training portals with free access materials

Practice Projects and Exercises

Beginner Projects:

- Traffic light control systems with timing sequences

- Simple motor start/stop with safety interlocks

- Temperature monitoring and alarm systems

- Conveyor belt control with counting functions

- Basic HMI interface development

Intermediate Projects:

- Multi-station automation systems

- Recipe-based batch processing

- Data logging and communication systems

- Motion control and positioning applications

- Safety system programming with emergency stops

Advanced Projects:

- Distributed control system programming

- Complex mathematical algorithms implementation

- Communication protocol development

- Custom instruction and function block creation

- Integration with external databases and systems

Limitations and Considerations

Understanding the limitations of free PLC programming software helps set appropriate expectations and identify when commercial alternatives become necessary.

Functional Limitations

Hardware Restrictions:

Free manufacturer software typically supports only entry-level hardware platforms with limited I/O capacity, processing power, and communication options. These restrictions may limit application complexity and scalability.

Feature Limitations:

Advanced features like motion control, safety programming, redundancy, and specialized communication protocols may be unavailable or restricted in free versions.

Support Constraints:

Technical support for free software is often limited to online resources, community forums, and documentation. Direct manufacturer support may require commercial software purchases.

Commercial Upgrade Considerations

When to Upgrade:

Consider commercial software when projects require advanced features, extensive I/O capacity, professional technical support, or commercial deployment rights.

Migration Planning:

Plan upgrade paths that minimize program conversion requirements and leverage skills developed with free software platforms.

Legal and Licensing Considerations

Commercial Use Restrictions:

Some free software packages restrict commercial use or require licensing for revenue-generating applications. Review license agreements carefully before commercial deployment.

Intellectual Property:

Understand ownership rights for programs developed with free software, particularly for commercial applications and client projects.

Frequently Asked Questions

Can I use free PLC software for commercial projects?

License terms vary by software package. Some free software allows commercial use, while others restrict usage to educational or evaluation purposes. OpenPLC and other open-source platforms typically allow commercial use without restrictions. Always review license agreements before commercial deployment.

How do free PLC simulators compare to real hardware?

Free simulators provide excellent learning environments but cannot completely replicate real-world conditions like electrical noise, mechanical tolerances, and timing variations. They're ideal for learning programming concepts and testing logic, but physical hardware testing remains necessary for final validation.

Which free software is best for beginners?

Connected Components Workbench and LOGO! Soft Comfort offer user-friendly interfaces with comprehensive documentation. OpenPLC provides excellent learning opportunities with complete source code access. Choose based on your target hardware and learning objectives.

Can I transfer programs between different free software packages?

Direct program transfer is typically not possible due to different instruction sets and addressing methods. However, you can reuse programming concepts, I/O assignments, and functional specifications when moving between platforms.

What are the system requirements for most free PLC software?

Most free PLC programming software requires Windows 10 or later, 4-8GB RAM, and several gigabytes of disk space. Some packages also require specific versions of .NET Framework or other runtime components. Check manufacturer specifications before installation.

How can I get support for free PLC software?

Support typically comes from online documentation, community forums, YouTube tutorials, and manufacturer knowledge bases. Some manufacturers offer limited email support for free software users. Open-source platforms rely on community support and documentation.

---

Accelerate Your PLC Learning with Professional Techniques

Ready to move beyond basic free software and master professional PLC programming methods? Download our comprehensive "Professional PLC Programming Techniques Guide" and learn industry best practices.

What you'll learn:

- Advanced programming techniques used in commercial projects

- Professional debugging and troubleshooting methods

- System integration and communication strategies

- Career development paths for PLC programmers

- Real-world case studies from major industrial projects

[Download Your Free Professional PLC Programming Guide →](/download-professional-plc-guide)

This expert resource bridges the gap between free software learning and professional industrial automation programming. Perfect for engineers ready to advance their careers in automation.

---

*This comprehensive guide contains 3,247 words covering the best free PLC programming software available in 2025. Use these tools to develop your skills, explore different platforms, and build expertise in industrial automation programming without licensing costs.*