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Welcome to our open source CODESYS Libraries

All libraries listed here should be CODESYS libraries, which can be freely used on varius CODESYS PLCs.
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.

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Note: If you are looking for a documentation of the standard libraries, which are included in the CODESYS Setup, checkout the CODESYS Online Help


210 Projects

CODESYS Forge Logo

CODESYS Forge

a tool for forge developers

CODESYS 4 Linux Logo

CODESYS 4 Linux

run CODESYS on wine

tvm

co♻e: unittest framework for CODESYS Logo

co♻e: unittest framework for CODESYS

Opensource IEC61131-3 unit-testing solution

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

I/O Drivers Logo

I/O Drivers

I/O Driver Database and Templates

co🔗e: A Linked List Solution Logo

co🔗e: A Linked List Solution

An open source linked list solution

JSON parsing and composing library Logo

JSON parsing and composing library

a library to parse and compose JSON strings from local variables

aliazzz Logo

aliazzz

Brains ... & Anything IEC61131-3

CSV_Write_read Logo

CSV_Write_read

Write Read CSV Data

Machine Learning IEC Lib

Machine Learning IEC Lib

SimplePI Logo

SimplePI

PI Controller

I²C TE M3200

Connect I²C TE M3200 to CODESYS