It helps you make electronic circuit diagrams and export them as images.
the Qucs team
Quite Universal Circuit Simulator is an integrated circuit simulator.
It turns Movie Maker into much more powerful video editing software.
University of Colorado
Build circuits with resistors, light bulbs, batteries, and switches.
Circuit Magic is an electrical circuits simulation program.
Design 2D and 3D models for architectural design or structural engineering.
Advanced Systems for Power Engineering, Inc. (ASPEN)
A PC-based short circuit and relay coordination program for relay engineers.
AIM-Spice is the most commonly used analog circuit simulator today.
Faculty of Electrical Engineering
SPICE OPUS is a free general purpose circuit simulator.
The Proteus combines schematic capture, SPICE circuit simulation, and PCB design.
CoolCAD Electronics, LLC
CoolCAD Spice Student is a sophisticated circuit simulation tool.
Milsoft Utility Solutions, Inc.
WindMil is a modeling software which represent a fully detailed circuit model.
Display and printing of each company PLC maker ladder circuit.
Model Maker Systems CC
It lets you view 3D data in Model Maker applications and systems.