the Qucs team
Quite Universal Circuit Simulator is an integrated circuit simulator.
University of Colorado
Build circuits with resistors, light bulbs, batteries, and switches.
New Wave Concepts Limited
Combines circuit design, simulation and CAD manufacture to realize projects.
It helps you make electronic circuit diagrams and export them as images.
Circuit Magic is an electrical circuits simulation program.
Silicon Frameworks, LLC
Design and manufacture electronic circuit boards with multiple layers.
Import ePub files to iPad, and export iPad ePub files to your computer directly.
Capture schematics and design PCB boards and layouts.
Xilisoft DVD to iPad Converter is a DVD movie ripper for Windows.
Capilano Computing Systems Ltd.
LogicWorks is an interactive circuit design tool intended for teaching.
AUTOMSIM is a circuit design and simulation software for digital electronic.
Lumerical Solutions, Inc.
Lumerical INTERCONNECT is a photonic integrated circuit design environment.
Handle and design complex printed circuit board effortlessly.
sPlan is a software to design your schematic circuit diagrams easy and fast.
Design and edit single-sided or multilayer circuit board layouts.
Layo1 PCB is a Windows application for printed circuit board design.
It allows the designer to simulate and design an integrated circuit.
555 Timer PRO provides an array of design wizards and circuit blocks.
AnadigmDesigner 2 lets you design and implement dynamically analog circuit.