Qucs-S AlternativesOnly apps categorised as Circuit Simulators

The best Circuit Simulator alternative to Qucs-S is Circuit JS, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Qucs-S and many of them are Circuit Simulators so hopefully you can find a suitable replacement. Other interesting Circuit Simulator alternatives to Qucs-S are EasyEDA, LTspice, QUCS and Proteus PCB design.

filter to find the best alternatives

Qucs-S alternatives are mainly Circuit Simulators but may also be Electronic Design Automation Tools or CAD Software. Filter by these or use the filter bar below if you want a narrower list of alternatives or looking for a specific functionality of Qucs-S.

Qucs-S

Circuit Simulator
Free • Open Source

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.

More about Qucs-S

Qucs-S alternatives page was last updated Jul 12, 2022

Circuit JS
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.
48 Circuit JS alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
- Online
Circuit JS Features
Circuit Simulation
Browser-based
Portable
Show all NaN Circuit JS features ▾
Discontinued
The latest update is from November 2022.
Circuit JS VS Qucs-S
Is Circuit JS a good alternative to Qucs-S?
- Circuit JS is the most popular Web-based, Windows, Mac & Linux alternative to Qucs-S.
- Circuit JS is the most popular Open Source & free alternative to Qucs-S.
- Circuit JS is Free and Open SourceQucs-S is also Free and Open Source

EasyEDA
EasyEDA - Web-based and desktop EDA suite; runs in browser, Windows, Mac, or Linux. Schematic capture, Ngspice based simulation, PCB layout, custom PCB manufacturing, for electronic engineers, educators, students and hobbyists.
54 EasyEDA alternatives
License model
- Free • Proprietary
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
- Online
+1
EasyEDA VS Qucs-S
Is EasyEDA a good alternative to Qucs-S?

LTspice
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.
38 LTspice alternatives
License model
- Free • Proprietary
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
LTspice Features
Electron valves
Show all NaN LTspice features ▾
LTspice VS Qucs-S
Is LTspice a good alternative to Qucs-S?

QUCS
The Quite Universal Circuit Simulator (QUCS) is an integrated circuit simulator allowing the simulation and graphical presentation of results of large-signal, small-signal and noise behavior in circuits.
38 QUCS alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
+2
QUCS VS Qucs-S
Is QUCS a good alternative to Qucs-S?

Proteus PCB design
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.
50 Proteus PCB design alternatives
License model
- Paid • Proprietary
Application types
- Electronic Design Automation Tool
- Circuit Simulator
Platforms
- Windows
Proteus PCB design VS Qucs-S
Is Proteus PCB design a good alternative to Qucs-S?
- Proteus PCB design is the most popular commercial alternative to Qucs-S.
- Proteus PCB design is Paid and ProprietaryQucs-S is Free and Open Source

Ktechlab
KTechLab is an IDE for microcontrollers and electronics. It supports circuit simulation, program development for microcontrollers and simulating the programmed microcontroller together with its application circuit.
29 Ktechlab alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Linux
+1
Ktechlab Features
1. Ad-free
2. Extensible by Plugins/Extensions
3. Works Offline
4. No registration required
5. Support for Themes
6. Privacy focused
7. Portable
8. Lightweight
9. Dark Mode
Show all NaN Ktechlab features ▾
Ktechlab VS Qucs-S
Is Ktechlab a good alternative to Qucs-S?

NI Circuit Design Suite Power Pro
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.
45 NI Circuit Design Suite Power Pro alternatives
License model
- Paid • Proprietary
Application type
- Circuit Simulator
Platforms
- Windows
NI Circuit Design Suite Power Pro VS Qucs-S
Is this a good alternative to Qucs-S?

Multisim
Multisim is industry-standard SPICE simulation and circuit design software for analog, digital, and power electronics in education and research.
33 Multisim alternatives
License model
- Paid • Proprietary
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Windows
Multisim VS Qucs-S
Is Multisim a good alternative to Qucs-S?

Pspice
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.
33 Pspice alternatives
License model
- Freemium • Proprietary
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Windows
Pspice VS Qucs-S
Is Pspice a good alternative to Qucs-S?

proteus VSM
A virtual simulation environment for electronic circuits with support of digital and analog devices. It also provides virtual instruments and virtual debugging tools.
23 proteus VSM alternatives
License model
- Paid • Proprietary
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Windows
proteus VSM VS Qucs-S
Is proteus VSM a good alternative to Qucs-S?

iCircuit
iCircuit is the easy to use electronic circuit simulator and designer - the perfect tool for students, hobbyists, and engineers.
46 iCircuit alternatives
License model
- Paid • Proprietary
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- iPhone
- Windows Phone
- iPad
iCircuit Features
Price Alerts
Show all NaN iCircuit features ▾
iCircuit VS Qucs-S
Is iCircuit a good alternative to Qucs-S?
- iCircuit is the most popular iPhone & iPad alternative to Qucs-S.
- iCircuit is Paid and ProprietaryQucs-S is Free and Open Source

Ngspice
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.
39 Ngspice alternatives
License model
- Free • Open Source
Application types
- Circuit Simulator
- Electronic Design Automation Tool
Platforms
- Mac
- Windows
- Linux
Ngspice VS Qucs-S
Is Ngspice a good alternative to Qucs-S?