Open Source OrCAD (All Products) Alternatives
The best open source alternative to OrCAD (All Products) is KiCad, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to OrCAD (All Products) and 12 is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to OrCAD (All Products) are Fritzing (Paid, Open Source), QUCS (Free, Open Source), LibrePCB (Free, Open Source) and gEDA Project (Free, Open Source).
- KiCad is an open source software suite for electronic design automation (EDA) - designing schematics of electronic circuits and printed circuit boards (PCB). View 50 alternatives to KiCad
- to design circuits, as well as so called "layouts", be it PCB or stripboard or breadboard... very-very handy a tool, very complex but very simple to use. View 51 alternatives to Fritzing
- 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. View 36 alternatives to QUCS
- LibrePCB is a free EDA software to develop printed circuit boards. It’s currently under heavy development to bring out first stable releases as soon as possible. View 49 alternatives to LibrePCB
- The gEDA project has produced and continues working on a full GPL'd suite and toolkit of Electronic Design Automation tools. View 52 alternatives to gEDA Project
- Ngspice is a mixed-level/mixed-signal circuit simulator. Its code is based on three open source software packages: Spice3f5, Cider1b1 and Xspice. View 36 alternatives to Ngspice
- oregano - An electrical engineering tool for GNOMEoregano is an application for schematic capture and simulation of View 33 alternatives to Oregano
- Circuit Diagram is a free application for making electronic circuit diagrams and exporting them as images. Design circuits online in your browser or using the desktop application. View 32 alternatives to Circuit Diagram
- Free • Open Source
- Windows
- Online
- eSim (previously known as Oscad / FreeEDA) is an open source EDA tool for circuit design, simulation, analysis and PCB design. View 33 alternatives to eSim
- 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. View 32 alternatives to Qucs-S
- Free • Open Source
- Linux