LibrePCB is an open source EDA application to develop printed circuit boards. The software uses the Qt widget toolkit.
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Category: Scientific
Fritzing – free tool to create interactive electronics
Fritzing is a software tool to support designers, artists and hobbyists to work creatively with interactive electronics.
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KTechLab – IDE for microcontrollers and electronics
KTechlab is an IDE for electronic and PIC microcontroller circuit design and simulation.
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QElectroTech – design electric diagrams – free Qt based software
QElectroTech is a good professional quality drafting application for various drawings that form a project.
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Magic – free VLSI layout tool
Magic is an interactive, very-large-scale integration (VLSI) layout tool.
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gEDA – free suite and toolkit of Electronic Design Automation tools
The gEDA project is a comprehensive suite and toolkit of Electronic Design Automation tools.
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CIDER – mixed-level circuit and device simulator
CIDER is a mixed-level circuit and device simulator that provides a direct link between technology parameters and circuit performance.
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Spice OPUS – general purpose circuit simulator specially suited for optimization loops
SPICE OPUS is an analog circuit simulator engine specially suited for optimization tools.
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Xyce – analog circuit simulator
Xyce is a SPICE-compatible, high-performance analog circuit simulator written in C++ and published under an open source license.
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SPICE – general-purpose circuit simulation program
SPICE is a general-purpose circuit simulation program for nonlinear dc, nonlinear transient, and linear ac analyses.
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ngspice – spice simulator for electric and electronic circuits
ngspice is the open source spice simulator for electric and electronic circuits.
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XCircuit – circuit drawing and schematic capture tool
XCircuit is software for drawing publishable-quality electrical circuit schematic diagrams and related figures.
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Xschem – schematic capture program
Xschem is a schematic editor for VLSI/Asic/Analog custom designs, netlist backends for VHDL, Spice and Verilog.
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Qucs – integrated circuit simulator
Qucs supports all kinds of circuit simulation types e.g. DC, AC, S-parameter and harmonic balance analysis.
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Digital – logic designer and circuit simulator
Digital is an easy-to-use digital logic designer and circuit simulator designed for educational purposes.
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Qucs-S – Qucs with SPICE
Qucs-S was forked from the Qucs cross-platform circuit simulator in 2017. ”S” letter indicates SPICE.
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logisim-evolution – design and simulate digital logic circuits
logisim-evolution is educational software for designing and simulating digital logic circuits.
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Stellarium – open source planetarium
Stellarium is a software project that allows people to use their home computer as a virtual planetarium.
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AstroImageJ – ImageJ for Astronomy
AstroImageJ (AIJ) is a simple and powerful tool for astronomical image analysis and precise photometry.
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SkyChart / Cartes du Ciel – planetarium software
SkyChart is software that lets users draw sky charts, making use of the data in 16 catalogs of stars and nebulae.
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