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TheToolPicker is an independent platform not affiliated with any third-party services or directories mentioned on this site. Built as a passion project by a team of makers who believe in smarter discovery, better tools, and simple interfaces. We support open access to technology and acknowledge the innovation, creativity, and contributions of digital communities around the world.

    1. Categories
    2. Debugger
    3. ESim
    1. …
    2. Debugger
    3. ESim
    ESim screenshot
    eSim logo

    ESim

    5.0
    0 Reviews0 saved
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    Category of ESim:
    Debugger
    Tags:
    Open SourceLifetime DealFor Developers
    Description:

    eSim is a free and open-source Electronic Design Automation (EDA) tool for circuit design, simulation, analysis, and PCB layout. It integrates with KiCad and Ngspice, offering a comprehensive solution for students, educators, and SMBs. Features include schematic drawing, mixed-signal simulation, PCB layout design, and Gerber file generation. Available on Ubuntu and Windows, with a cloud version.

    ESim screenshot
    Last update:
    7 September, 2026
    Website:
    esim.fossee.in
    Contact email:
    contact-esim@fossee.in
    InformationReviewsAlternatives

    eSim: Comprehensive EDA for Electronic Design

    eSim is a free, open-source Electronic Design Automation (EDA) tool supporting the full design workflow. It integrates KiCad for schematic and PCB design, and Ngspice for circuit simulation, providing a powerful, cost-effective alternative to commercial software.

    The platform handles analog and mixed-signal simulations. It includes tools for building custom Spice models and subcircuits. eSim is accessible on Ubuntu and Windows, with a cloud version available.

    Key Features of eSim

    1. Circuit Design: Draw schematics with KiCad and generate netlists.
    2. Circuit Simulation: Perform analog and mixed-signal simulations using Ngspice.
    3. PCB Layout: Design PCB layouts and generate Gerber files with KiCad.
    4. Model Builder: Add and edit device models and subcircuits.
    5. OS Support: Compatible with Ubuntu and Windows.

    Ideal Use Cases for eSim

    • Education and training in electronics design.
    • Student projects and academic research.
    • Hobbyist and maker prototyping.
    • Cost-effective design for SMBs.
    • Engineers seeking free EDA alternatives.

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