Factory IO is a premier 3D factory simulation software that integrates seamlessly with Siemens TIA Portal, Rockwell Studio 5000, and Codesys. They offer fully functional free trial versions explicitly meant for student learning. CODESYS Development System (Free)

OpenPLC is the first fully open-source PLC server software created according to the IEC 61131-3 standard. 100% Free and open-source.

Your current (absolute beginner or experienced technician) The operating system you are using

Research from industrial cybersecurity firm Dragos has documented a widespread ecosystem where malicious actors distribute "cracked" or "password-cracking" tools for industrial software. One notable case involved a password "cracking" tool for PLCs that not only failed to crack the password as advertised but instead exploited vulnerabilities to retrieve credentials. Even worse, the tool was found to install the Sality malware, which turns infected computers into nodes in a peer-to-peer botnet used for cryptocurrency mining and launching further cyberattacks.

For those looking to learn the Allen-Bradley / Rockwell environment, CCW is the official portal for Micro800 series controllers. The Standard Edition is free to download.

Websites hosting software cracks, keygens, and patches are notorious distribution points for malicious software. When you download a cracked executable file, you bypass standard security protocols. These files frequently bundle:

Developed by Nirtec , the is a comprehensive tool for training and simulating industrial automation systems. It allows users to write programs using common industry languages like Ladder , Grafcet , Logic Blocks , or Script . The suite typically includes: EasyPLC : The core simulation software.

Significant price reductions are often available for verified students, educators, and training institutions. 2. Open-PLC (Open-Source Automation)