eSim AlternativesCircuit Simulators & Electronic Design Automation Tools like eSim

eSim is described as '(previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB design' and is a circuit simulator in the education & reference category. There are more than 25 alternatives to eSim for a variety of platforms, including Windows, Linux, Mac, Web-based and Flathub apps. The best eSim alternative is KiCad, which is both free and Open Source. Other great apps like eSim are Fritzing, Square Sketch, Autodesk EAGLE and EasyEDA.

eSim iconeSim
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eSim (previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB...

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eSim alternatives page was last updated Feb 11, 2025
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  1. KiCad icon
     112 likes
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    KiCad is an open source software suite for electronic design automation (EDA) - designing schematics of electronic circuits and printed circuit boards (PCB). KiCad is developed by Jean-Pierre Charras. And features an integrated environment between schematic capture, bill of...

    59 KiCad alternatives

    License model

    • FreeOpen Source

    Country of Origin

    • International

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • PortableApps.com
    • Docker

    Properties

    1.  Lightweight

    Features

    1.  Multiplatform
    2.  3D Renderer
    3.  Portable
    4.  Wast library
    5.  3d sketching

    KiCad VS eSim

     
    • KiCad is the most popular Windows, Mac & Linux alternative to eSim.

    • KiCad is the most popular Open Source & free alternative to eSim.

    • KiCad is Free and Open SourceeSim is also Free and Open Source
    • KiCad is LightweighteSim is not according to our users
  2. Fritzing icon
     104 likes
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    Open-source initiative aiding designers, artists, and researchers in transforming prototypes to actual products, documenting circuits, sharing, teaching, and PCB manufacturing.

    57 Fritzing alternatives

    License model

    Platforms

    • Mac
    • Windows
    • Linux
    • AppImageHub
    • Flathub

    Properties

    1.  Educational

    Features

    1.  Create UI Components
    2.  Arduino

    Fritzing VS eSim

     
    • Fritzing is the most popular commercial alternative to eSim.

    • Fritzing is Paid and Open SourceeSim is Free and Open Source
  3. Square Sketch icon
     8 likes
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    Digital graph paper.

    102 Square Sketch alternatives

    License model

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows

    Properties

    1.  Privacy focused

    Features

    1.  No registration required
    2.  Ad-free
    3.  No Coding Required
    4.  Works Offline
    5.  Dark Mode
    6.  No Tracking
    7.  Export to PNG
    8.  Export to SVG
    9.  Sketching
    10.  Export to PDF

    Square Sketch VS eSim

     
  4. Autodesk EAGLE icon
     32 likes
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    EDA software that enables PCB designers to connect schematics, position components, route PCBs, and access extensive libraries, with features like SPICE simulation, drag-and-drop functionality, alignment tools, 3D models for enclosure fit, and direct links to manufacturers for parts replacement.

    47 Autodesk EAGLE alternatives

    License model

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux

    Autodesk EAGLE VS eSim

     
  5. EasyEDA icon
     19 likes
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    Schematic capture, Ngspice based simulation, PCB layout, custom PCB manufacturing, for electronic engineers, educators, students and hobbyists.

    55 EasyEDA alternatives

    License model

    • FreeProprietary

    Country of Origin

    • CN flagChina

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    • Flatpak

    EasyEDA VS eSim

     
    • EasyEDA is the most popular Web-based alternative to eSim.

    • EasyEDA is Free and ProprietaryeSim is Free and Open Source
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    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 Design.

    51 Proteus PCB design alternatives

    License model

    Platforms

    • Windows

    Proteus PCB design VS eSim

     
  7. LibrePCB icon
     19 likes
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    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.

    License model

    • FreeOpen Source

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  3d sketching

    LibrePCB VS eSim

     
  8. Altium Designer icon
     18 likes
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    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, this software is what you need when it comes to PCB design and all aspects of ECAD/ MCAD and team...

    51 Altium Designer alternatives

    License model

    Application type

    Country of Origin

    • AU flagAustralia

    Platforms

    • Windows

    Altium Designer VS eSim

     
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    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 software.

    License model

    Application type

    Platforms

    • Windows

    NI Circuit Design Suite Power Pro VS eSim

     
  10. Copy a direct link to this comment to your clipboard

    This electronic circuit simulator is highly interactive giving the feeling of playing with real components. It's very helpful for experimentation and visualization. It's a desktop version of the Circuit JS.

    35 CircuitJS1 Desktop Mod alternatives

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Windows
    • Linux

    Properties

    1.  Educational

    Features

    1.  Portable
    2.  Interactive Visualization

    CircuitJS1 Desktop Mod VS eSim

     
  11. gEDA Project icon
     24 likes
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    The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. These tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production.

    License model

    • FreeOpen Source

    Platforms

    • Mac
    • Linux

    gEDA Project VS eSim

     
  12. Coulomb icon
     1 like
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    Coulomb is a simple and elegant circuit simulator written using Java, Gtk4 and libadwaita.

    License model

    • FreeOpen Source

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak

    Properties

    1.  Privacy focused

    Features

    1.  Works Offline
    2.  No registration required
    3.  Ad-free
    4.  No Tracking
    5.  Dark Mode
    6.  Gtk
    7.  Java based

    Coulomb VS eSim

     
12 of 36 eSim alternatives