highlight.js syntax definition for Structured Text IEC 61131-3 language

IEC 61131-3 PLC data type helper for Node.js

IEC 61131-3 Structured Text grammar for tree-sitter (standard, dialect-extensible)

Node-RED instructions ladder IEC-61131-3

A node wrapper for the mticp transpiler, which provides transpilation between numerous IEC 61131-3 languages.

Compiles IEC-61131-3/10 languages into code that can be used as a PLC on multiple platforms.

Datatype parser/writer for IEC 61131-3 types and structs

Structured Text language support for Codemirror, includes syntax highlight based on IEC 61131-3.

MCP server for Festo/CODESYS PLC engineering — IEC 61131-3 ST generation, validated PLCopen XML, embedded knowledge base (27 topics, 19 manuals, BM25 search), 38-block ST library, optional CODESYS IDE driving and hardware commissioning

IEC 61131-3 Structured Text tree-sitter language parser

Datatype parser/writer for IEC 61131-3 types and structs for Big Endian Data

Semantic linter, code reviewer, and team-style enforcer for IEC 61131-3 Structured Text. Runs as a CI linter, GitHub Action, GitLab CI job, or local CLI. 80 checks (incl. PLCopen and IEC 62443 sets) plus a --metrics mode (complexity, nesting, call graph,

Send and receive Network Variable Lists (NVL) from CODESYS driven PLC

Node-Red nodes for the realization of Software-Plc with Ladder-Logic

> 生产级的工业控制编程 AI Agent 技能。采用“通用工程 + 品牌特化”的双层架构，既能处理通用的 IEC 61131-3 逻辑，又能为西门子、罗克韦尔、三菱、欧姆龙等主流 PLC 品牌提供深度、准确的路由和规范。

Every diagram a doctor, engineer, lawyer, or production crew would actually use. 52 industry-standard diagrams from a text DSL, with open-source React editing, AI tools, and MCP. Pure SVG, zero runtime dependencies.

Safer Node.js Buffer API

The string_decoder module from Node core

Resolve the path of a module like `require.resolve()` but from a given path

utility box for ECMAScript language tools