Welcome to our open source CODESYS Tools

All tools, listed here should be used in combination with either the CODESYS programming system, or a CODESYS
PLC. They can enable features, which are not available in a standard CODESYS environment.
They also have to be freely available to everyone.

Every user is welcome to try them out.
Every developer is welcome to join the projects, or to become inspired by them.

Register a new project

212 Projects

CODESYS 4 Linux Logo


run CODESYS on wine

CODESYS Forge Logo


a tool for forge developers

I/O Drivers Logo

I/O Drivers

I/O Driver Database and Templates

co♻e: unittest framework for CODESYS Logo

co♻e: unittest framework for CODESYS

Opensource IEC61131-3 unit-testing solution

JSON parsing and composing library Logo

JSON parsing and composing library

a library to parse and compose JSON strings from local variables

c2iec Logo


transpiler to convert ansii c-code to structured text


co⚡e: Sparkplug™ MQTT edge Logo

co⚡e: Sparkplug™ MQTT edge

CODESYS + MQTT + Sparkplug B = 'Plug & Play' IIoT

IEC Snippets Logo

IEC Snippets

IEC Code you can use in CODESYS

co🔗e: A Linked List Solution Logo

co🔗e: A Linked List Solution

An open source linked list solution

aliazzz Logo


Brains ... & Anything IEC61131-3

CSV_Write_read Logo


Write Read CSV Data

Machine Learning IEC Lib

Machine Learning IEC Lib

SimplePI Logo


PI Controller