What Is Eclipse 4diac™?

Eclipse 4diac™ Provides an Open Source Infrastructure for
distributed Industrial Process Measurement and Control Systems
based on the IEC 61499 Standard.

design once use everywhere

Eclipse 4diac Virtual Community Meetings

Join us for a discussion on IEC 61499 and Eclipse 4diac. We welcome interested participants from all background, whether seasoned developer or interested newcomer. We will demonstrate new developments in Eclipse 4diac, outline our development roadmap, and provide enough room for questions and answers with the project team of Eclipse 4diac.

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Eclipse 4diac provides

IEC 61499 Engineering Tool 4diac IDE Real-time Capable IEC 61499 Execution Environment 4diac FORTE Easy to use Build Environment for 4diac FORTE 4diac FBE IEC 61499 Function Block Library 4diac LIB IEC 61499 example systems 4diac SYS

Latest News

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Eclipse 4diac Weekly #52

12 September, 2025

Update on what development happened across the Eclipse 4diac project in the week from September 05 to September 12, 2025.

Last week brought significant improvements to both the 4diac IDE and 4diac FORTE. 4diac IDE received major enhancements in command stack handling, deployment, and attribute management, while 4diac FORTE saw large-scale reworks of build options, source structures, and OPC UA handling.

Eclipse 4diac at ETFA 2025

9 September, 2025

This year’s IEEE ETFA Conference in Porto started with a special highlight for the Eclipse 4diac community.

Eclipse 4diac Weekly #51

5 September, 2025

Update on what development happened across the Eclipse 4diac project in the week from August 29 to September 05, 2025.

This week’s updates bring progress on contract checking and visualization in 4diac IDE, refinements in the property sheets and editors, a cleanup in 4diac FORTE, and new content and fixes in the documentation.