Best On-Premises Circuit Simulation Software

OrCAD® X is a unified PCB design software platform that offers significant improvements in ease of use, performance, automation, data management, and collaboration. Our cloud-enabled product suite contains applications for schematic, simulation, and PCB layout. OrCAD X Capture is one of the most widely used schematic design solutions for the creation and documentation of electrical circuits. PSpice® is our virtual SPICE simulation environment integrated within Capture that allows you to prototype your designs using the industry-leading, native analog, mixed-signal, and advanced analysis engines to deliver a complete circuit simulation and verification solution. Our two PCB layout environments, OrCAD X PCB Editor and OrCAD X Presto, allow designers to easily collaborate between ECAD/MCAD teams and build better PCBs faster. OrCAD X Presto is a new user-friendly option offering a simpler interface for quick-turn PCB design.

Sensbench is a browser-based circuit and microcontroller simulator for learning, prototyping, and testing Arduino, ESP32, Raspberry Pi Pico, and other supported boards. Users place virtual boards and components on a breadboard, connect circuits, edit sketches, compile firmware, and run it in an emulated microcontroller while viewing serial output and component behavior. It also supports SPICE analog simulation and mixed digital-analog circuits. Guided examples and virtual sensors, displays, LEDs, relays, and other parts are included. An optional AI builder turns a written project request into a parts list, wiring plan, and firmware, while an MCP server lets compatible AI clients operate the workbench. The core simulator is free to use in a web browser; optional AI credits and subscription plans add AI usage and project features. Sensbench also sells physical project kits with pre-flashed boards and guides, including kits designed to connect to Home Assistant over local Wi-Fi.