ra3xdh/qucs_s

Health v2 · maintenance only

Adoption not part of the score

1356 stars · 166 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Qucs-S is an open-source circuit simulation program with a Qt-based graphical user interface for schematic capture and visualization. It acts as a frontend for multiple SPICE simulation kernels including Ngspice, Xyce, SpiceOpus, and Qucsator.

Use cases

• simulate electronic circuits with a GUI
• draw schematics and run SPICE simulations
• simulate circuits using ngspice or Xyce
• free alternative to commercial circuit simulators
• teach electronics circuit analysis
• model analog and RF circuits

When to choose

• you want a graphical schematic capture tool backed by real SPICE kernels
• you need cross-platform circuit simulation on Linux, Windows, or macOS
• you prefer open-source EDA tooling with active development

When to avoid

• you need automated batch simulation without a GUI
• you require PCB layout or full EDA suite features
• you need vendor-accurate models for specific commercial ICs

Facets

application · maturity active

simulation gui graphics simulation hardware education cross-platform windows cpp circuit-simulator spice ngspice xyce schematic-capture electronics eda qt6 linux macos desktop qt

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markdown · JSON · MCP: product_card(name="ra3xdh/qucs_s")