List of the Top 7 Circuit Simulation Software for Linux in 2025

More than a million components are continuously updated in real time, enabling you to focus on design while also allowing for the creation or import of your own libraries. By collaborating with LCSC, a leading distributor of electronic components in China, EasyEDA provides users with direct access to an extensive inventory of over 200,000 components that are readily available. Designers can effortlessly verify availability, check pricing, and place orders throughout their workflow. The platform includes all the features of the online version, enhanced with expanded design areas and additional improvements, making it highly recommended for all users. Its intuitive interface allows those accustomed to other PCB design software to adapt quickly. The application is lightweight and resource-efficient, ensuring a smoother user experience that can expedite your design processes. There’s no need for activation; just register and log in to start using the platform without any concerns about licensing issues. Automatic local backups and document recovery options are always available, while your files are also securely stored on a cloud server, offering a dual-layer backup for your data protection. This comprehensive backup system further guarantees that your work remains secure against unexpected data loss, providing you with confidence and tranquility during the design process. Ultimately, EasyEDA combines convenience and security, making it an indispensable tool for modern designers.

Leverage the power of COMSOL's multiphysics software to accurately model real-world designs, devices, and processes. This adaptable simulation platform is built on advanced numerical methods and offers extensive features for both fully coupled multiphysics and individual physics modeling. Users can follow a comprehensive modeling workflow that encompasses everything from creating geometries to conducting postprocessing analyses. The software includes user-friendly tools that facilitate the development and implementation of simulation applications. COMSOL Multiphysics® guarantees a uniform user interface and experience across a wide range of engineering disciplines and physical phenomena. Moreover, specific functionalities can be accessed through add-on modules tailored to areas such as electromagnetics, structural mechanics, acoustics, fluid dynamics, thermal transfer, and chemical engineering. Users can also choose from various LiveLink™ products to ensure seamless integration with CAD systems and other external software. In addition, applications can be deployed via COMSOL Compiler™ and COMSOL Server™, allowing the creation of models and simulation applications driven by physics within this robust software ecosystem. The extensive capabilities of COMSOL empower engineers to push the boundaries of innovation while enhancing their projects effectively, ultimately leading to improved efficiency and creativity in design and analysis processes.

The schematic editor enables users to create an unlimited number of designs without encountering any paywalls for additional features. With an integrated schematic editor and a comprehensive library of schematic symbols, you can quickly embark on your design projects. You can craft professional-grade PCB layouts featuring as many as 32 copper layers. KiCad now boasts a push-and-pull router capable of routing differential pairs while interactively adjusting trace lengths. Additionally, KiCad offers a 3D viewer that allows you to examine your design on an interactive canvas, giving you the ability to rotate and pan to observe details that may be challenging to discern in a 2D view. There are multiple rendering options available, allowing you to modify the board's appearance or selectively hide and reveal certain elements. The schematic capture process in KiCad is both rapid and effective, equipped with all necessary tools to facilitate this task. The user interface emphasizes productivity, making it easy to work efficiently. Furthermore, large designs can be organized into hierarchical subsheets, ensuring that complexity knows no bounds. This flexibility allows for the creation of intricate designs tailored to various needs.

There are many circuit simulation tools available in the current market. Their promotional materials highlight exceptional performance, impressive speed, adherence to industry standards like SPICE, and user-friendly designs featuring intuitive interfaces. The most effective way to gauge a tool's capabilities is to experience it firsthand, which is precisely what a number of NL5 users have chosen to do. I eagerly await the positive insights they are likely to share in the near future. It’s crucial to understand what to expect from NL5: it is not merely another variant of SPICE, nor is it an exact replacement. In certain scenarios, NL5 offers considerable advantages, while in other situations, it performs sufficiently, and there are some contexts where it may not be the best fit. Ultimately, the adaptability of NL5 positions it as an attractive choice for particular applications in circuit simulation, making it a noteworthy contender among its peers. Users interested in innovative solutions will find NL5 to be a significant addition to their toolkit.

The Easy-wire mode streamlines the connection of components, significantly cutting down on the number of clicks required and alleviating user frustration. With the ability to evaluate expressions that account for unit measurements, you can effortlessly visualize a variety of important signals, such as differential signals and power losses. In-browser simulation and plotting tools facilitate faster design and analysis, ensuring that your circuit functions correctly even before any soldering takes place. Enhanced simulation features provide a range of options, such as frequency-domain (small signal) simulations, the capability to adjust circuit parameters over a defined range, and the integration of arbitrary Laplace transfer function blocks, among other advanced functionalities. Managing multiple signals becomes effortless with customizable plotting windows, which include vertical and horizontal markers for accurate measurements and calculations. Furthermore, you can swiftly design generic rectangular symbols for integrated circuits or system-level wiring diagrams with minimal effort, thereby improving your overall design process. This intuitive approach not only empowers engineers and designers to unleash their creativity but also allows them to sidestep the challenges posed by intricate procedures, ultimately fostering a more productive environment for innovation and development.

PrimeSim HSPICE circuit simulation stands as the benchmark within the industry for accurate circuit analysis. It boasts foundry-certified MOS models along with advanced simulation and analytical algorithms. With a legacy spanning over 25 years, HSPICE has proven its reliability in design tape outs and is regarded as the foremost circuit simulator in the field. It is utilized for on-chip simulations across various domains, including analog designs, RF, custom digital, standard cell design, as well as memory design and characterization. Additionally, it is employed for off-chip signal integrity simulations, covering the full spectrum from silicon to package to board and backplane analysis. Serving as a vital part of Synopsys's analog/mixed-signal (AMS) verification suite, HSPICE effectively tackles the major challenges associated with AMS verification. Its reputation for precision in circuit simulation remains unmatched, further enhanced by its provision of cutting-edge simulation techniques and foundry-validated MOS device models. With its comprehensive capabilities, it continues to be an essential tool for engineers in the semiconductor industry.

EAGLE stands as a robust electronic design automation (EDA) tool, empowering printed circuit board (PCB) designers to seamlessly merge schematic diagrams, component layouts, PCB routing, and a vast array of resources. This software boasts a rich set of features for PCB layout, enabling you to turn your design ideas into tangible creations. The drag-and-drop functionality for reusable design elements across various projects ensures that your schematic and PCB circuitry are consistently aligned. To support accuracy, EAGLE provides an extensive suite of electronic rule checks that validate your schematic designs, ensuring they remain aligned with your objectives. Furthermore, any changes made are automatically updated between the schematic and layout, allowing you to focus on the creative aspects of your work. With complete control over your design workflow, you can significantly reduce the chances of unexpected problems by utilizing fully customizable PCB design rules and constraints tailored to your requirements. Additionally, the expanding library of components offers you effortless access to parts that are dynamically linked to your future designs. This not only streamlines the component incorporation process but also enhances the likelihood of achieving a successful PCB project. Ultimately, EAGLE equips designers with the tools they need to innovate while simplifying the technicalities of the design process.