Fritzing

to design circuits, as well as so called "layouts", be it PCB or stripboard or breadboard... very-very handy a tool, very complex but very simple to use.

Free Open Source Mac Windows Linux

KiCad

KiCad is an open source software suite for electronic design automation (EDA) - designing schematics of electronic circuits and printed circuit boards (PCB). KiCad is...

Free Open Source Mac Windows Linux

Circuit Simulator

Animated electronic circuit simulator using ideal components to visualize voltage and current.

Free Open Source Mac Windows Linux Web

LibrePCB

LibrePCB is a free EDA software to develop printed circuit boards. It’s currently under heavy development to bring out first stable releases as soon as possible.

Free Open Source Mac Windows Linux

Autodesk EAGLE

Autodesk EAGLE is an electronic design automation (EDA) software. Enabling printed circuit board (PCB) designers to seamlessly connect schematic diagrams, component...

Free Personal $ $ $ Mac Windows Linux

NI Circuit Design Suite Power Pro

NI Circuit Design Suite software improves the PCB design process by integrating capture, simulation, and layout into a single toolchain with NI Multisim and Ultiboard...

Commercial Windows

Proteus PCB design

Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a powerful, integrated and easy to use suite of tools for professional PCB...

Commercial Windows

iCircuit

iCircuit is the easy to use electronic circuit simulator and designer - the perfect tool for students, hobbyists, and engineers.

Commercial Mac Windows iPhone Windows Phone iPad

Upverter

We build the pickaxes of hardware engineering. Ideation tools, schematic capture, PCB layout, design hosting, parts library management, and affordable prototyping.

Commercial Web

OrCAD (All Products)

The Cadence OrCAD product line provides affordable, high-performance PCB design tools that boost productivity for smaller design teams and individual PCB designers.

Commercial Windows

DesignSpark PCB

The World’s Most Powerful Free Schematic and PCB Layout

Free Windows

CircuitLab

Sketch, simulate, and share your circuits, entirely in your browser -- no install required. Easy schematic capture and powerful SPICE-like, mixed-mode circuit simulation...

Commercial Web

Autodesk Circuits

Autodesk Circuits empowers you to bring your ideas to life with free, easy to use online tools.

• Discontinued No longer, free download of eagle is available though as a link!

Freemium Web

Schematics

Schematics.com empowers engineers to design, share, and collaborate on circuit design online.

Free Personal Web

Altium Designer

Altium Designer software is for PCB design. From schematic capture to PCB design as well as FPGA Programmation, signal integrity check, mixed analog/digital simulation...

Commercial Windows