Listing of Open Source Ladder editors

I am looking for open-source ladder editors:

ClassicLadder is a Ladder/Grafcet editor for Linux/Windows in C:
http://sourceforge.net/projects/classicladder/

Soapbox is a Ladder editor in C#:
http://soapboxautomation.com/products/soapbox-snap/

Waltech LadderMaker editor in Python:
http://www.waltech.com/open-source-designs/

LDmicro Ladder Editor/Compiler for PIC and AVR (Windows only) :
http://cq.cx/ladder.pl

OpenPLC Ladder Editor in C++ (code based on LDmicro) :
https://github.com/thiagoralves/OpenPLC-Ladder-Editor

Other projects related to it:

Beremiz is complete automation solution based on MatPLC, PLCopen Editor, CanFestival, etc :
http://www.beremiz.org

Open Hardware for Industrial Automation:
http://www.industrialshields.com/index.php?route=common/home

Using OLinuxino in an automation solution:
http://leachy.homeip.net/olinuxino/classic_ladder.html

MBLogic is automation solution developed in Python:
http://mblogic.sourceforge.net/software/software.html