Best Circuit Simulation Software for Linux of 2025

Over a million components that are continuously updated in real time have been made available, allowing you to concentrate on the design aspect while also providing the option to create or import your own libraries. By partnering with LCSC, one of China's top distributors of electronic components, EasyEDA grants users direct access to a vast selection of over 200,000 components that are currently in stock. Designers can easily check availability, pricing, and place orders throughout their design process. The platform features all the capabilities present in the online version, along with expanded design areas and numerous enhancements, making it highly recommended for users. Its user-friendly interface ensures that those familiar with other PCB design tools can transition quickly. The software is lightweight, consumes minimal resources, and offers a smoother user experience, thereby accelerating your design workflow. There’s no need for activation; simply register and log in to start using the tool without any licensing hassles. Automatic local backups and document recovery options are available at any time, while your files are also securely stored on a cloud server, providing a dual backup solution for your data protection. Additionally, this system of backups ensures that your work is safe from unexpected data loss, giving you peace of mind while you design.

Utilize COMSOL's multiphysics software to replicate real-world designs, devices, and processes effectively. This versatile simulation tool is grounded in sophisticated numerical techniques. It boasts comprehensive capabilities for both fully coupled multiphysics and single-physics modeling. Users can navigate a complete modeling workflow, starting from geometry creation all the way to postprocessing. The software provides intuitive tools for the development and deployment of simulation applications. COMSOL Multiphysics® ensures a consistent user interface and experience across various engineering applications and physical phenomena. Additionally, specialized functionality is available through add-on modules that cater to fields such as electromagnetics, structural mechanics, acoustics, fluid dynamics, thermal transfer, and chemical engineering. Users can select from a range of LiveLink™ products to seamlessly connect with CAD systems and other third-party software. Furthermore, applications can be deployed using COMSOL Compiler™ and COMSOL Server™, enabling the creation of physics-driven models and simulation applications within this robust software ecosystem. With such extensive capabilities, it empowers engineers to innovate and enhance their projects effectively.

The schematic editor allows you to create unlimited designs. There are no paywalls for unlocking features. A built-in schematic editor and an official library of schematic symbols will help you quickly get started with your designs. Professional PCB layouts can be made with up to 32 copper layers. KiCad now includes a push-and-pull router that can route differential pairs and adjust trace lengths interactively. KiCad also includes a 3D viewer that you can use to view your design in an interactive canvas. To inspect details that are difficult or impossible to see in a 2D view, you can rotate and pan around. Multiple rendering options make it possible to change the board's aesthetic or hide and show certain features. The schematic capture in KiCad is fast and efficient. It also includes all the tools necessary to do so. The interface is focused on productivity. As large designs can be broken into hierarchical subsheets, there are no limits to their complexity.

Numerous circuit simulators exist in the marketplace today. Their advertisements boast about high performance, remarkable speed, being industry-standard (such as SPICE), and being user-friendly with a highly intuitive interface. To determine the effectiveness of a tool, it’s best to try it out for yourself, which is exactly what many users of NL5 have done. I look forward to hearing the positive feedback they will likely share soon. It’s important to note what to anticipate from NL5: it is not just another variation of SPICE, nor can it be considered a direct substitute. In certain applications, NL5 demonstrates significant advantages, while in others it performs adequately, and there are some areas where it may not be suitable at all. Ultimately, the versatility of NL5 makes it a compelling option for specific tasks within circuit simulation.

EAGLE is a powerful electronic design automation (EDA) tool that empowers printed circuit board (PCB) designers to effortlessly integrate schematic diagrams, component placement, PCB routing, and a comprehensive library of resources. With EAGLE, you can elevate your design process through an extensive array of PCB layout tools. The software allows you to easily drag and drop reusable design blocks across different projects while ensuring that schematic and PCB circuitry remain synchronized. You can validate your schematic designs using a complete suite of electronic rule checks, ensuring that your designs adhere to specifications. The automatic synchronization of changes between your schematic and layout enables you to concentrate on the creative aspects of your work. Additionally, the design flow is fully controllable, allowing you to avoid unforeseen issues with customizable PCB design rules and constraints. The worry-free libraries are prepared for your next project, enabling you to dynamically find and place parts that are linked to an ever-expanding catalog. This integration of tools and features makes EAGLE an invaluable asset for designers striving for efficiency and precision in their PCB projects.

The Easy-wire mode simplifies the process of connecting components, reducing the number of clicks needed and minimizing user frustration. With unit-aware expression evaluation, you can easily visualize various signals of interest, including differential signals and power losses. The in-browser simulation and plotting tools enable quicker design and analysis, ensuring your circuit operates correctly even before you start soldering. Advanced simulation features offer options like frequency-domain (small signal) simulations, the ability to vary circuit parameters across a specified range, and integration of arbitrary Laplace transfer function blocks, among other capabilities. Handling multiple signals is made seamless with customizable plotting windows, along with vertical and horizontal markers for precise measurements and calculations. Additionally, you can easily create generic rectangular symbols for integrated circuits or system-level wiring diagrams with just a few effortless clicks, enhancing your overall design experience. This user-friendly approach allows engineers and designers to focus on creativity rather than get bogged down by complex processes.

PrimeSim HSPICE circuit sim is the industry's standard for circuit simulation. It features foundry-certified MOS model models with state of the art simulation and analysis algorithms. HSPICE, with over 25 years of success in design tape outs and a comprehensive circuit simulator, is the industry's most trusted. On-chip simulation: analog designs, RF, custom digital, standard cell design and character, memory design and characterisation, device model development. For off-chip signal integrity simulation, silicon-to-package-to-board-to-backplane analysis and simulation. HSPICE is a key component of Synopsys analog/mixed signal (AMS) verification suite. It addresses the most important issues in AMS verification. HSPICE is the industry's standard for circuit simulation accuracy and offers MOS device models that have been foundry-certified. It also includes state-of-the art simulation and analysis algorithms.