KiCad
PCB & electronicsOpen-source electronics design automation suite
- Stars
- 3k
- Licence
- GPL-3.0
- Status
- Open source
Alternative to Altium Designer, Eagle
N
ngspice
Open-source mixed-signal SPICE circuit simulator
ngspice is the open-source SPICE simulator used inside KiCad, Qucs-S and other tools. It handles analogue, digital and mixed-signal simulation and supports many commercial device models.
Free alternative to
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Qucs-S
PCB & electronicsCircuit simulator GUI using ngspice, Xyce and other engines
- Stars
- 1.4k
- Licence
- GPL-2.0
- Status
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Alternative to OrCAD
LibrePCB
PCB & electronicsBeginner-friendly open-source EDA suite
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- 3k
- Licence
- GPL-3.0
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Horizon EDA
PCB & electronicsModern EDA package for schematics and PCB layout
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- 1.3k
- Licence
- GPL-3.0
- Status
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Alternative to Altium Designer, Eagle
EasyEDA
PCB & electronicsFree browser-based schematic and PCB design
- Licence
- Proprietary
- Status
- Free (proprietary)
Alternative to Altium Designer, Eagle