rungs.dev

A browser-based PLC simulator and ladder logic editor with an AI assistant for debugging and explaining code. Supports Ladder Logic and Structured Text programming.

why we picked it

An online environment for writing and testing PLC ladder logic and Structured Text programs without dedicated hardware. The built-in AI assistant, Relay, provides explanations and debugging help, making it useful for learners and professionals prototyping automation sequences. The tool is fully browser-based, requiring no installation.

Checked with Google Web Risk · 7 hours ago

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language: EN
here since: July 2026