Ladder Logic Software - Electrician Talk - Professional Apr 26, 2012When I think ladder logic, I think PLC programing. Click PLC has free software on automation direct's web site. It sounds like you want to create a wiring diagram. wdestar has created some software, I have not tried it but it looks good. It may be a good investment if you are going to continue to do that type of work in the future.So what to expect? - Electrician Talk - ProfessionalMay 01, 2018Learning ladder logic. - Electrician Talk - ProfessionalAug 17, 2013Ladder Logic Software - Page 2 - Electrician TalkJun 16, 2013Electrician Talk - Professional Electrical Contractors See more results 6 Best Free Ladder Diagram Software For Windows ClassicLadder is yet another free ladder diagram software for Windows. This software is mainly used to create programs for PLC or Programming Logic Controllers uses ladder programming language to program logic circuits. For ladder logic circuits, you need to create a ladder diagram.