Horizon is a free EDA package. Contribute to carrotIndustries/horizon development by creating an account on GitHub.
Cost / License
- Free
- Open Source
Platforms
- Windows
- Linux

Apps similar to eSim include KiCad, which is free and open source. Other options are Fritzing, Square Sketch, LibrePCB and Autodesk EAGLE. You're spoiled for choice with Circuit Simulators like eSim: we list more than 25 alternatives for Windows, Linux, Mac and the web.
Horizon is a free EDA package. Contribute to carrotIndustries/horizon development by creating an account on GitHub.

Circuit Diagram is a free application for making electronic circuit diagrams and exporting them as images. Design circuits online in your browser or using the desktop application.

We build the pickaxes of hardware engineering. Ideation tools, schematic capture, PCB layout, design hosting, parts library management, and affordable prototyping.
TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.




TinyCAD is an open source schematic capture program for MS Windows. Use TinyCAD to produce professional circuit diagrams and export net list information to PCB applications.

atopile is a language and toolchain to describe electronic circuit boards with code. By replacing the point and click schematic interface with code, we introduce software development workflows like reuse, validation and automation to the world of electronics.

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

Educational virtual 3D laboratory simulator helps students, teachers, and tutors conduct electrical circuit experiments by providing realistic equipment access anywhere, avoiding availability issues and safety hazards, and enhancing learning with immediate feedback and...



VisCircuit is a note-taking tool that contains an easy circuit diagram drawer and a beautiful note editor, designed to help you learn about electronics and circuits more easily.


The World’s Most Powerful Free Schematic and PCB Layout.


Virtual Breadboard for Arduino is a learning 'app' version of VBB designed to help you take the first steps in the exciting world of physical computing with the Arduino microcontroller and ‘Breadboard’ based electronic circuit models.