Apps similar to QUCS include Circuit JS, which is free and open source. Other options are LTspice, Altium Designer, Pspice and Proteus PCB design. You're spoiled for choice with Circuit Simulators like QUCS: we list more than 25 alternatives for Windows, Linux, the web, Mac and iPhone.
This is a javascript electronic circuit simulator. When the applet starts up you will see an animated schematic of a simple LRC circuit. The green color indicates positive voltage. The gray color indicates ground. A red color indicates negative voltage.
United States
LTspice IV is a high performance Spice III simulator, schematic capture and waveform viewer with enhancements and models for easing the simulation of switching regulators.
United States
Features a unified workflow for schematic capture, PCB layout, mixed analog/digital simulation, signal integrity analysis, real-time 3D editing, ECAD-MCAD collaboration, component libraries, collaborative design tools, BOM generation, routing, and manufacturing outputs.
United States
Software for Simulating Voltage and Currents of a text file net-list of a electronics components such as Resistors, Capacitors, inductors, transisters, Diodes, Voltage and Current Sources, etc.
United States
Proteus PCB design combines the schematic capture and ARES PCB layout programs to provide a powerful, integrated and easy to use suite of tools for professional PCB Design.
Qucs-S is a spin-off of the Qucs cross-platform circuit simulator. "S" letter indicates SPICE. The purpose of the Qucs-S subproject is to use free SPICE circuit simulation kernels with the Qucs GUI.
NI Circuit Design Suite software improves the PCB design process by integrating capture, simulation, and layout into a single toolchain with NI Multisim and Ultiboard software.
Schematic capture, Ngspice based simulation, PCB layout, custom PCB manufacturing, for electronic engineers, educators, students and hobbyists.
China
Multisim is industry-standard SPICE simulation and circuit design software for analog, digital, and power electronics in education and research.
United States
Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on three open source software packages: Spice3f5, Cider1b1 and Xspice. Ngspice is part of gEDA project, a full GPL'd suite of Electronic Design Automation tools.
United States
The Cadence OrCAD product line provides affordable, high-performance PCB design tools that boost productivity for smaller design teams and individual PCB designers.
TINA Design Suite is a powerful circuit simulation package for analyzing, designing, and real time testing of analog, digital, VHDL, MCU, SMPS, RF, communication, optoelectronic and mixed electronic circuits and their PCB layouts.
United States
