List of the Top 15 SaaS Circuit Simulation Software in 2025

OrCAD® X represents a comprehensive platform for PCB design that enhances user experience, boosts performance, and streamlines automation. This software suite encompasses various applications such as schematic design, PCB layout, simulation, and data management. Among its offerings, OrCAD X Capture stands out as a widely used tool for creating and documenting electrical circuits. Complementing this is PSpice®, an integrated virtual SPICE simulation engine within Capture, which empowers users to prototype and validate their designs through top-tier native analog, mixed signal, and advanced analysis capabilities. Additionally, OrCAD X Presto and OrCAD X PCB editor facilitate seamless collaboration between ECAD and MCAD teams, enabling designers to produce superior PCBs more efficiently. OrCAD X Presto features a user-friendly interface tailored for novice designers as well as electrical engineers and PCB designers who prioritize rapid PCB development, making it an essential tool in today's fast-paced design environment. The combined functionalities of these applications ensure that designers can meet the evolving demands of the industry effectively.

The development of Proteus traces back to the MS-DOS era, and after over thirty years of consistent improvements, we are excited to introduce one of the most effective and cost-efficient PCB design tools on the market today. Our dedication to perpetual innovation has resulted in a comprehensive software suite packed with robust features that facilitate faster PCB design. When you choose to invest in Proteus, you are initiating a rewarding partnership that goes beyond a mere purchase. In addition to the software, you will benefit from outstanding technical support recognized throughout the industry. After your acquisition, a member of our team will connect with you as your dedicated technical support representative, providing you with a clear line of communication for any questions and direct access to Labcenter support. While we cannot promise to resolve all issues immediately, our commitment is to assist you in every possible way. Your success is the driving force behind our passion, motivating us to pursue excellence continuously. We deeply value your trust in us and pledge to be there for you at every turn, ensuring you have the tools and support necessary to succeed. This partnership is not just about software; it's about fostering a community that thrives on collaboration and growth.

In the rapidly evolving landscape of today's business world, organizations face complex design challenges while operating under tight financial constraints. eCADSTAR is more than merely a PCB layout application; it combines simulation, 3D MCAD functions, and wire harness capabilities, all powered by advanced technology that delivers enterprise-level performance without breaking the bank. Its intuitive interface makes eCADSTAR appealing to designers across various skill levels. By taking advantage of eCADSTAR’s comprehensive design functionalities, teams can enhance and accelerate their design processes. The software features a well-connected library and user-friendly schematic capture, empowering PCB layout engineers to dedicate more time to creativity instead of getting bogged down by tool intricacies. Among the multiple phases of design, crafting a test plan can be especially demanding. If simulation isn't adequately addressed early on, the validation stage could become costly and time-consuming; however, eCADSTAR mitigates this issue with its sophisticated features for Spice simulation and SI/PI analysis, leading to shorter test cycles and greater overall productivity. Moreover, eCADSTAR's capabilities not only aid in simplifying the design workflow but also foster innovation, making it an indispensable asset for engineers as they tackle the complexities of contemporary design projects. Ultimately, eCADSTAR proves itself to be an essential partner for engineers aiming to excel in this intricate design landscape.

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.

Fusion 360 effectively merges design, engineering, electronics, and manufacturing into a unified software platform. This powerful environment provides an all-encompassing suite that fuses CAD, CAM, CAE, and PCB functionalities into one comprehensive development toolkit. Users are also equipped with premium features such as EAGLE Premium, HSMWorks, Team Participant, and a variety of cloud-based services, including generative design and cloud simulation, enhancing their productivity. With a vast array of modeling tools, engineers are able to design products efficiently while ensuring their form, fit, and function through various analytical methods. Sketch creation and modification is streamlined through the use of constraints, dimensions, and advanced sketching capabilities. Additionally, users can effortlessly edit or rectify imported geometry from diverse file formats, which significantly optimizes their workflow. Design changes can be executed without worrying about time-dependent features, allowing for greater flexibility. The software also facilitates the creation of complex parametric surfaces for tasks ranging from geometry repair to intricate design work, while adaptive history features like extrude, revolve, loft, and sweep respond dynamically to any design modifications. This adaptability and robustness make Fusion 360 an indispensable asset in contemporary engineering practices, ultimately empowering users to innovate and enhance their projects with greater ease.

Utilize Simulink to develop and test your system before transitioning to real hardware, giving you the chance to delve into and implement creative designs that might often be overlooked, all without needing to write C, C++, or HDL code. By creating models for both the system under evaluation and the physical plant, you can explore a wider range of design possibilities. Your entire team can take advantage of a cohesive multi-domain platform that simulates how all components of the system interact with one another. Additionally, you can compile and distribute your simulation outcomes with colleagues, suppliers, and clients, facilitating collaborative insights. This strategy significantly reduces the risk of expensive prototypes by enabling experimentation with scenarios that could be perceived as too uncertain or impractical. Incorporate hardware-in-the-loop testing and rapid prototyping to verify the success of your design. This methodology allows for traceability from the early stages of requirement gathering through to design and code generation. Instead of manually producing countless lines of code, you can automatically generate high-quality C and HDL code that reflects your original Simulink model. Ultimately, deploy this code onto your embedded processor or FPGA/ASIC for flawless integration and functionality. This thorough process not only simplifies development but also markedly improves efficiency across the entire project timeline, paving the way for enhanced innovation. Furthermore, it allows teams to quickly iterate on designs, leading to quicker time-to-market for new products.

Electromagnetic (EM) simulation offers crucial insights before moving on to the physical prototyping phase. To boost both the speed and accuracy of your EM simulations, they should be customized effectively. By integrating EM analysis with circuit simulations, you can significantly enhance overall efficiency. Although completing EM simulations may take several hours, linking your EM simulation tools with PathWave Circuit Design software can drastically cut down on import and export times. This integration is designed to optimize your workflow, allowing for a seamless combination of EM analysis and circuit simulations. The 3D EM solid modeling environment supports the creation of custom 3D objects and facilitates the import of models from various CAD systems, which is vital for preparing a 3D geometry for 3DEM simulation. This preparation includes the definition of ports, boundary conditions, and material properties. Moreover, the environment comes equipped with a Finite Difference Time Domain (FDTD) simulator, which plays a crucial role in compliance testing for Specific Absorption Rate (SAR) and Hearing Aid Compatibility (HAC), ensuring that the designs align with necessary regulatory requirements. By leveraging these sophisticated features, you can not only streamline your design process but also significantly improve the efficacy of your electromagnetic analysis while ensuring that your products are compliant with industry standards. This careful orchestration of tools and processes ultimately leads to more innovative and reliable designs.

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.

TINACloud is the web-based iteration of the popular TINA software, offering support in various languages and allowing users to access it from any location via their web browser without the need for installation. Compared to the conventional TINA software, subscribing to TINACloud is considerably more cost-effective, and users who purchase a license for the downloadable TINA software will enjoy a special package that includes TINACloud with all new private licenses. This section highlights TINACloud specifically, while further information regarding the offline TINA software, which can be installed on local computers, is available separately. As a powerful online circuit simulator, TINACloud allows users to design and analyze an extensive range of circuits, encompassing analog, digital, VHDL, Verilog, Verilog A, AMS, MCU, and mixed electronic circuits, as well as specialized applications in areas like SMPS, RF, communication, and optoelectronics. Moreover, it offers functionality to test microcontroller applications within a mixed circuit environment, thus proving to be an essential resource for engineers and designers. By providing these diverse capabilities, TINACloud stands out as a versatile platform that caters to the needs of modern electronic design.

An animated circuit offers a level of informational depth that far surpasses a multitude of equations and charts combined. By layering animations of voltages, currents, and charges onto the circuit schematic, users can attain a deeper understanding of circuit operations. Tailored for high-speed performance and interactive engagement, the circuit simulation engine enables users to initiate simulations with a single click, accommodating a diverse array of components ranging from simple resistors and logic gates to complex transistor-level oscillators and mixed-signal systems. Throughout the simulation, users have the ability to adjust switches, tweak potentiometers, change LED current-limiting resistors, and incrementally raise input voltages, with the circuit dynamically reflecting these changes in real time. Unique mini-waveforms are displayed along the schematic wires, distinguishing between digital and analog signals, where continuous analog voltages are presented numerically while digital wires are color-coded to enhance clarity. Furthermore, users can visualize any two time-domain signals in XY mode, further enriching their analysis capabilities. The oscilloscope's scale and grid ticks automatically calibrate to optimal settings as the data varies, guaranteeing accuracy in measurement throughout the simulation. This interactive feedback loop not only makes the learning process enjoyable but also encourages users to explore the nuances of circuit behavior more thoroughly. Ultimately, the combination of real-time interactivity and visual representation fosters an environment where users can experiment and expand their knowledge of electronics effectively.

Ansys Exalto is a specialized software tool for post-LVS RLCk extraction that aids integrated circuit (IC) designers in accurately detecting unknown crosstalk across different design hierarchy blocks by extracting lumped-element parasitics and establishing a precise model for electrical, magnetic, and substrate interactions. This tool is designed to work seamlessly with most LVS tools and can significantly improve the RC extraction capabilities of your chosen software. By leveraging Ansys Exalto’s post-LVS RLCk extraction features, IC designers can proficiently predict electromagnetic and substrate coupling effects, allowing for the signoff of circuits that were once considered "too large to analyze." The models produced by the software can be back-annotated to the schematic or netlist, ensuring compatibility with all circuit simulators. As the demand for RF and high-speed circuits grows in modern silicon systems, accurately modeling electromagnetic coupling has become increasingly vital, as it plays a crucial role in the success of silicon designs. Therefore, Ansys Exalto proves to be an indispensable tool for designers striving to tackle the intricate challenges of contemporary circuit design with utmost accuracy and efficiency. Furthermore, its capabilities not only streamline the design process but also enhance the reliability of the final product, making it a valuable resource for any IC design team.

The MPLAB® Mindi™ Analog Simulator simplifies circuit design and reduces risks by enabling users to simulate analog circuits prior to hardware prototyping. With its foundation in a SIMetrix/SIMPLIS simulation environment, this tool supports both SPICE and piecewise linear modeling to meet diverse simulation needs. Alongside its powerful simulation functions, the interface features exclusive model files from Microchip, which facilitate precise modeling of specific Microchip analog components in conjunction with standard circuit devices. This adaptable simulation solution is straightforward to install and run on a local PC, making an Internet connection unnecessary after download. As a result, users can conduct rapid and accurate analog circuit simulations without depending on external servers, significantly improving the efficiency of the design process. Furthermore, the ability to perform simulations directly on personal computers offers users the assurance of reliability and speed that comes with offline functionality, allowing for a more streamlined design experience overall.

PathWave ADS optimizes the design workflow by offering integrated templates that enable users to kickstart their projects with greater efficiency. With an extensive array of component libraries, finding the necessary parts becomes a simple task. The automatic synchronization with layout provides a clear view of the physical arrangement as schematic designs are created. This data-driven methodology allows teams to verify that their designs meet the required specifications. PathWave ADS boosts design confidence through its visualization and analytics tools, which produce informative graphs, charts, and diagrams to assist users. Additionally, wizards, design guides, and templates facilitate a quicker design process. The all-encompassing design workflow includes schematic design, layout, and simulations encompassing circuit, electro-thermal, and electromagnetic aspects. As frequencies and speeds in printed circuit boards (PCBs) continue to escalate, maintaining signal and power integrity becomes increasingly vital. Challenges related to transmission line effects can result in failures of electronic devices. It is crucial to accurately model traces, vias, and interconnects for a realistic simulation of the board, thereby ensuring that potential issues are identified and addressed early on. This comprehensive approach not only enhances efficiency but also significantly strengthens the overall reliability of electronic designs, ultimately contributing to the successful deployment of high-performance devices.

The framework offers a comprehensive representation of qubit states without the need to directly depict quantum gates and processes through matrices. To enable effective communication among distributed resources tasked with the storage and processing of quantum states, Intel-QS utilizes the MPI (message-passing-interface) protocol. As a shared library, Intel-QS is designed to integrate smoothly with application programs, empowering users to harness its high-performance capabilities for circuit simulations. This library is versatile enough to be compiled across a variety of systems, ranging from personal laptops to powerful computing server infrastructures. This adaptability not only allows for a broad range of applications but also enables developers to customize their solutions according to the unique requirements of their quantum computing initiatives. Moreover, the ability to run on different platforms ensures that Intel-QS can cater to both individual and enterprise-level projects alike.

Pharos combines the outstanding electromagnetic (EM) engine capabilities of Ansys with a dedicated high-capacity circuit simulation engine to perform coupling analyses and evaluate potential EM crosstalk aggressors for each victim node. By pinpointing the most at-risk nets, designers can focus their efforts on reducing EM crosstalk in these vital connections, which helps minimize risks during the design phase. In addition, Pharos integrates a robust extraction engine alongside an internal simulation engine to carry out thorough EM analyses and rank potential aggressors in relation to each victim net. This feature allows designers to prioritize the most critical nets in their designs effectively. As the complexity of designs increases and the variety of magnetic field interference grows, the task of identifying all susceptible victim/aggressor net pairs becomes increasingly challenging, often approaching the realm of impossibility. Therefore, Pharos proves to be an essential resource, simplifying the management of EM issues in complex electronic designs while ultimately enhancing overall design quality and reliability.