Best Web-Based Circuit Simulation Software of 2025

OrCAD® X is a unified PCB design software platform. It offers significant improvements to ease of use, performance and automation. Our product suite includes applications for schematic, PCB layout, simulation and data management. OrCAD X Capture, a schematic design solution for electrical circuit creation and documentation, is one of OrCAD's most popular products. PSpice®, our virtual SPICE simulation engine integrated into Capture, allows you to prototype and verify your designs using industry-leading native analog, mixed signal, and advanced analysis engines. OrCAD X Presto and OrCAD X PCB editor are two PCB layout tools that allow designers to easily collaborate between ECAD/MCAD teams and build better PCBs faster. OrCAD X Presto is our new, simplified interface for novice designers, electrical engineers and PCB designers focused on quick turn PCB designs.

The journey of developing Proteus began during the era of MS-DOS, and after more than three decades of ongoing enhancements, we are thrilled to present one of the most efficient and economical PCB design tools available today. Our commitment to continuous innovation has led us to create a sophisticated software suite filled with powerful features that help expedite PCB design. Buying Proteus marks the beginning of a fruitful partnership rather than just a transaction. Along with the software, you gain access to exceptional technical support that stands out in the industry. Following your purchase, a member of our team will reach out to you as your dedicated technical support liaison, ensuring you have a straightforward avenue for inquiries and direct contact with Labcenter support. While we may not be able to resolve every issue instantly, we are committed to making every effort to assist you. The success of our customers is what drives our passion and motivates us to continually strive for excellence. Your trust in us is invaluable, and we are dedicated to supporting you every step of the way.

In today's fast-paced business environment, companies encounter intricate design obstacles while managing limited budgets. eCADSTAR transcends being just a PCB layout tool, as it integrates simulation, 3D MCAD capabilities, and wire harness support, all harnessed through cutting-edge technology that offers enterprise-level performance at a budget-friendly price point. Its user-friendly interface makes eCADSTAR an attractive choice for designers of all levels. By utilizing eCADSTAR’s robust design features, teams can streamline and expedite the overall design workflow. The software includes a digitally connected library and intuitive schematic capture, allowing PCB layout engineers to focus more on innovation and less on tool manipulation. Among the various stages of the design process, developing a test plan can be particularly labor-intensive. Without proper upfront simulation, the validation phase can lead to significant time and financial expenditures, but eCADSTAR addresses this challenge with its advanced capabilities in Spice simulation and SI/PI analysis, resulting in reduced test cycle times and increased efficiency overall. Ultimately, eCADSTAR stands out as a powerful ally for engineers striving to navigate the complexities of modern design.

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.

Fusion 360 seamlessly integrates design, engineering, electronics, and manufacturing into one cohesive software environment. It offers a comprehensive suite that combines CAD, CAM, CAE, and PCB capabilities within a single development platform. Additionally, users benefit from features like EAGLE Premium, HSMWorks, Team Participant, and various cloud-based services, including generative design and cloud simulation. With an extensive range of modeling tools, engineers can effectively design products while ensuring their form, fit, and function through multiple analysis techniques. Users can create and modify sketches using constraints, dimensions, and advanced sketching tools. It also allows for editing or fixing imported geometry from other file formats with ease. Design modifications can be made without concern for time-dependent features, enabling flexibility in the workflow. Furthermore, the software supports the creation of intricate parametric surfaces for tasks such as repairing or designing geometry, while history-based features like extrude, revolve, loft, and sweep dynamically adapt to any design alterations made. This versatility makes Fusion 360 an essential tool for modern engineering practices.

Develop and test your system using Simulink prior to implementing it on actual hardware. This allows you to explore and apply innovative designs that might typically be overlooked, all without the need to engage in C, C++, or HDL programming. By modeling both the system you are testing and the physical plant, you can investigate a broader design landscape. Your entire team can benefit from a unified multi-domain platform that simulates the interactions of all system components. You can also package and share your simulation results with team members, suppliers, and clients for collaborative feedback. This approach helps minimize costly prototypes by allowing you to experiment with scenarios that might otherwise be deemed too risky or impractical. Use hardware-in-the-loop testing and rapid prototyping to confirm your design's effectiveness. With this method, you can ensure traceability throughout the process, from requirements gathering to design and code development. Rather than manually crafting thousands of lines of code, you can automatically generate high-quality C and HDL code that mirrors your original Simulink model. Finally, deploy this code directly onto your embedded processor or FPGA/ASIC for seamless integration and operation. This comprehensive approach not only streamlines development but also enhances overall project efficiency.

Ansys Exalto serves as an advanced post-LVS RLCk extraction software that empowers integrated circuit (IC) designers to effectively address unknown crosstalk between various components within the design hierarchy by extracting lumped-element parasitics and creating precise models for electrical, magnetic, and substrate coupling. This tool seamlessly integrates with a wide range of LVS software and can enhance the performance of any RC extraction tool you prefer. With Ansys Exalto's post-LVS RLCk extraction capabilities, IC designers are equipped to make accurate predictions regarding electromagnetic and substrate coupling effects, allowing for signoff on circuits that may have previously been deemed "too complex to analyze." The models that are extracted can be back-annotated to the schematic or netlist, ensuring compatibility with all circuit simulators. As the prevalence of RF and high-speed circuits continues to rise in contemporary silicon systems, electromagnetic coupling has become a primary factor that necessitates precise modeling to ensure the successful fabrication of silicon. Overall, Ansys Exalto represents a crucial advancement in circuit design, helping engineers navigate the complexities associated with modern electronic systems.

Electromagnetic (EM) simulation provides valuable insights prior to the physical prototyping stage. Tailor your EM simulations to enhance both speed and precision. Seamlessly integrate EM analysis with your circuit simulations to boost overall efficiency. While EM simulations can often require several hours to complete, you can significantly reduce both import and export times by linking your EM simulation software with PathWave Circuit Design software. This integration allows you to maximize your workflow by combining EM analysis with circuit simulations effectively. The 3D EM solid modeling environment enables the creation of custom 3D objects and supports the import of existing models from various CAD platforms. This is essential for preparing a 3D geometry for 3DEM simulation, which involves defining ports, boundary conditions, and material properties. Additionally, the environment includes a Finite Difference Time Domain (FDTD) simulator, which is vital for compliance testing regarding Specific Absorption Rate (SAR) and Hearing Aid Compatibility (HAC), ensuring that your designs meet necessary regulatory standards. By utilizing these advanced features, you can streamline your design process and enhance the effectiveness of your electromagnetic analysis.

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.

TINACloud is an online version of the well-known TINA software, available in multiple languages and accessible directly through your browser from anywhere in the world without needing any installation. Subscribing to TINACloud is significantly more affordable compared to the traditional TINA software, and those who acquire a license for the downloadable TINA program will benefit from a special bundle that includes TINACloud with all new private licenses of the downloadable version. This page focuses specifically on TINACloud, while more details about the offline TINA software, which can be installed on your personal computer, can be found elsewhere. As a robust online circuit simulator, TINACloud enables users to analyze and design a variety of circuits, including analog, digital, VHDL, Verilog, Verilog A, AMS, MCU, and mixed electronic circuits, as well as special applications in SMPS, RF, communication, and optoelectronics. Additionally, it provides the capability to test microcontroller applications within a mixed circuit environment, making it an invaluable tool for engineers and designers alike.

An animated circuit can convey more information than a thousand equations and charts combined. By superimposing animations of voltages, currents, and charges directly onto the schematic, users gain profound insights into how the circuit functions. The circuit simulation engine, designed specifically for optimal speed and interactive use, allows for seamless one-click simulations, catering to a wide range of components—from basic resistors and logic gates to intricate transistor-level oscillators and mixed-signal systems. During the simulation, users can manipulate switches, adjust potentiometers, modify LED current limiting resistors, and gradually increase input voltages, with the circuit instantly reflecting these alterations in real time. Distinctive mini-waveforms appear over schematic wires, differentiating between digital and analog signals, where constant analog voltages are displayed numerically and digital wires are color-coded for clarity. Additionally, any two time-domain signals can be illustrated in XY mode, enhancing the analytical capabilities. The oscilloscope's scale and grid ticks automatically adjust to optimal values as the data fluctuates, ensuring precise measurements throughout the simulation process. This dynamic feedback loop creates an engaging and educational experience for users looking to deepen their understanding of circuit behavior.

Pharos integrates Ansys' exceptional electromagnetic (EM) engine capabilities with a unique high-capacity circuit simulation engine, enabling comprehensive coupling analysis and the identification of potential EM crosstalk aggressors for each victim node. By pinpointing the most vulnerable nets, designers can strategically direct their design choices to mitigate EM crosstalk issues, thereby reducing risks throughout the design process. This tool not only has an extraordinary extraction engine but also features a built-in simulation component that facilitates in-depth EM analysis and categorizes potential crosstalk aggressors affecting each victim net. As a result, designers can concentrate on the nets that pose the highest risk within their designs. Given the increasing complexity of designs and the extensive range of magnetic field interference, it becomes a daunting challenge to identify every susceptible victim/aggressor net pair affected by EM crosstalk. Therefore, the effective use of Pharos can significantly enhance the reliability and efficiency of the design workflow.

The MPLAB® Mindi™ Analog Simulator streamlines the process of circuit design and mitigates associated risks by allowing users to simulate analog circuits before moving on to hardware prototyping. Utilizing a SIMetrix/SIMPLIS simulation environment, this tool offers the flexibility of employing SPICE or piecewise linear modeling, catering to a broad spectrum of simulation requirements. In addition to its robust simulation capabilities, the interface incorporates exclusive model files from Microchip, enabling accurate modeling of specific Microchip analog components alongside standard circuit devices. This versatile simulation tool can be easily installed and operated on your local PC, ensuring that once it is downloaded, an Internet connection is unnecessary for its operation. Consequently, users benefit from quick and precise analog circuit simulations that do not rely on external servers, enhancing the overall efficiency of the design process. Users can confidently run simulations directly on their computers, experiencing the reliability and speed that comes with offline capabilities.

PathWave ADS streamlines the design process by providing integrated templates that help users start their projects more efficiently. With a comprehensive selection of component libraries, locating the desired parts becomes a straightforward task. The automatic synchronization with layout offers a clear visualization of the physical arrangement while you create schematic designs. This data-driven approach enables teams to assess if their designs are in line with specifications. PathWave ADS enhances design confidence through its display and analytics features, which generate informative graphs, charts, and diagrams. Users can expedite their design process with the help of wizards, design guides, and templates. The complete design workflow encompasses schematic design, layout, as well as circuit, electro-thermal, and electromagnetic simulations. As frequencies and speeds continue to rise in printed circuit boards (PCBs), ensuring signal and power integrity is critical. Issues arising from transmission line effects can lead to electronic device failures. It is essential to model traces, vias, and interconnects accurately for a realistic simulation of the board, ensuring that potential problems are identified and mitigated early in the design phase. This multifaceted approach not only improves efficiency but also enhances the overall reliability of electronic designs.

The framework is built on a thorough depiction of the qubit state while steering clear of directly illustrating gates and various quantum processes through matrices. To facilitate communication among the distributed resources involved in storing and processing quantum states, Intel-QS employs the MPI (message-passing-interface) protocol. Designed as a shared library, Intel-QS integrates seamlessly with application programs, enabling users to leverage its high-performance capabilities for circuit simulations. This library can be compiled on a wide range of systems, encompassing everything from personal laptops to high-performance computing server infrastructures. Additionally, this flexibility ensures that developers can tailor their solutions to meet the specific demands of their quantum computing projects.