Elwin by 3xM
3xM provides the software Elwin which is a CAE/CAD system for
designing electrical circuit diagrams with special direction on automation
projects. Easy and logical functions enables fast engineering of both simple and
advanced solutions. The software is aimed to advanced automation engineers as
well as to electricians with basic knowledge of designing.
Elwin is shareware which means you can use the software how long and how much you like. There are no limits in function or commercial presentations. An un-registered version has some commands time-delayed.