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

    KiCad

     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

    • Free • Open Source

    Application types

    Country of Origin

    • International

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • PortableApps.com
    • Docker
    PcbNew - Editor

    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

    Fritzing

     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

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • AppImageHub
    • Flathub
    Fritzing screenshot 1

    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
  4. Square Sketch icon

    Square Sketch

     8 likes
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    Digital graph paper.

    102 Square Sketch alternatives

    License model

    Application types

    Country of Origin

    • DE flagGermany
    • European Union flagEU

    Platforms

    • Mac
    • Windows
    Square Sketch screenshot 1

    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

     
  5. Ad
    Screenshot
    Autodesk EAGLE icon
    Autodesk EAGLE

    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 encl...

    https://www.autodesk.com
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  6. Autodesk EAGLE icon

    Autodesk EAGLE

     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

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    Autodesk EAGLE screenshot 1

    Autodesk EAGLE VS eSim

     
  7. EasyEDA icon

    EasyEDA

     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

    • Free • Proprietary

    Application types

    Country of Origin

    • CN flagChina

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Flathub
    • Flatpak
    EasyEDA screenshot 1

    EasyEDA VS eSim

     

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

    • EasyEDA is Free and ProprietaryeSim is Free and Open Source
  8. Proteus PCB design icon

    Proteus PCB design

     17 likes
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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

    Application types

    Platforms

    • Windows
    Proteus PCB design screenshot 1

    Proteus PCB design VS eSim

     
  10. LibrePCB icon

    LibrePCB

     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

    • Free • Open Source

    Application types

    Country of Origin

    • CH flagSwitzerland

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    LibrePCB screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Ad-free
    2.  3d sketching

    LibrePCB VS eSim

     
  11. Altium Designer icon

    Altium Designer

     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

     
  12. NI Circuit Design Suite Power Pro icon

    NI Circuit Design Suite Power Pro

     12 likes
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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 screenshot 1

    NI Circuit Design Suite Power Pro VS eSim

     
  13. CircuitJS1 Desktop Mod icon

    CircuitJS1 Desktop Mod

     11 likes
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    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

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    1.2.5

    Properties

    1.  Educational

    Features

    1.  Portable
    2.  Interactive Visualization

    CircuitJS1 Desktop Mod VS eSim

     
  14. gEDA Project icon

    gEDA Project

     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

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Linux
    gschem

    gEDA Project VS eSim

     
  15. Coulomb icon

    Coulomb

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

    License model

    • Free • Open Source

    Application type

    Platforms

    • Linux
    • Flathub
    • Flatpak
    Coulomb screenshot 1

    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