Software · Development

Eclipse 4DIAC IDE

Name: Eclipse 4DIAC IDE
Author: Eclipse 4DIAC

An OpenSource IEC 61499 compatible PLC IDE.

Completely free
Linux
Open source

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Geographic availability: No geographic restriction found in our sources; availability is not checked country by country.

Technical details

Pricing: Completely freeconfirmed by Flathub
License: EPL-2.0 — Open source (copyleft)confirmed by Flathub
Open source: Yes
Commercial use: Yesconfirmed by Official plan pages (pricing, licence, terms), Flathub
Account required: not documented
Credit card required: Noconfirmed by Flathub
Watermark: Not applicable
Ads: not documented
Platforms: LinuxEstablished by Linux: Flathub
Publisher: Eclipse 4DIAC
Latest version: 3.1.0 (11 March 2026)
Latest activity: 7 April 2026
Source code: github.com/eclipse-4diac/4diac-ide

Overview

Eclipse 4DIAC IDE is a code editor, available on Linux.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information

“An OpenSource IEC 61499 compatible PLC IDE” — Flathub, 10 November 2026

At a glance

All of Eclipse 4DIAC IDE is free: no feature is locked behind a paid plan, and its code is open.

Its licence (EPL-2.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

Open source code
Commercial use allowed

About

Eclipse 4DIAC IDE is an integrated development environment based on IEC 61499. It supports the development of distributed industrial control solutions, deployed mainly to PLCs. This is the official, Eclipse Foundation build of Eclipse 4DIAC IDE, packaged into a Flatpak. It re-uses the signed artifacts from download.eclipse.org, but is not provided by the Eclipse 4DIAC project.

Description from Flathub — AppStream (Flathub)

Sources and checks

Facts collected from Official plan pages (pricing, licence, terms) (commercial use) — 10 November 2026
Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) — 10 November 2026
Last technical check: 8 November 2026
Description from Flathub — AppStream (Flathub)

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