Qucs-S

Qucs-S is a spin-off of the Qucs cross-platform circuit simulator.

18 Alternatives To Qucs-S

AcquireTM

AcquireTM is a web-based applicant tracking and recruiting software for small and mid-size companies.

Altium Designer

PCB Design Software
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Circuit Simulator

Animated electronic circuit simulator using ideal components to visualize voltage and current.
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Deeds Suite

Digital Electronics Education and Design Suite
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Emulino

an emulator for the Arduino platform by Greg Hewgill

Kepler

Kepler is a free open-source software system for designing, executing, reusing, evolving…

Ktechlab

KTechLab is an IDE for microcontrollers and electronics.
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LTspice

LTspice® is a high performance SPICE simulation software, schematic capture and waveform viewer with enhancements and models for easing the simulation of analog circuits.

Loandisk

Loandisk is a cloud based lending software that manage all customer loans and repayments.

Ngspice

Ngspice is a mixed-level/mixed-signal circuit simulator.
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PICsim

PIC microcontroller simulator

QUCS

Qucs, briefly for Quite Universal Circuit Simulator, is an integrated circuit simulator which means you are able to setup a circuit with a graphical user interface (GUI) and simulate the large-signal, small-signal and noise behaviour of the circuit.
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Solve Elec

Solve Elec is a free educational program to draw and analyze electrical circuits.
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Virtual Breadboard

It is a circuit simulator on a virtual breadboard.
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Xcos

Xcos is a graphical editor to design hybrid dynamical systems models.

Yenka

Yenka is a new generation of educational modelling tools from Crocodile Clips.

gEDA Project

All about General Public License (GPL) and Electronic Design Automation (EDA) software tools

myOpenLab

MyOpenLab is a platform for finished elements (program components) that can be linked together.