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QQucs-S logo

Qucs-S

Flathub·Developer Tools

Qucs-S provides a graphical user interface for popular circuit simulation engines including SPICE. It supports schematic capture, visualization of results, and includes libraries of passive and active components. Used for education and professional electronics design and analysis.

Free
Linux
QQucs-S logo
Visit Flathub↗

Overview

4 features

Qucs-S sits in PulseGate's Developer Tools category. It focuses on simulating and testing electronic circuits using a graphical interface and various simulation backends. Qucs-S is an open-source project aimed at electronics engineers and students. The product is available for free. The product ships for Linux.

Behind Qucs-S is Vadim Kuznetsov. Among its 4 catalogued features are Circuit Simulation, Schematic Capture, and Component Library.

  • ✓Circuit Simulation
  • ✓Schematic Capture
  • ✓Component Library
  • ✓Visualization Tools

Tags

circuit-simulatorspiceelectronics-design

Built with & integrations

Runs on
Linux

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJul 21, 8:24 PM

    qucs_s verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Qucs-S

What is Qucs-S?
Qucs-S focuses on simulating and testing electronic circuits using a graphical interface and various simulation backends. It is catalogued under Developer Tools on PulseGate.
Who should use Qucs-S?
Qucs-S is an open-source project built for electronics engineers and students.
Does Qucs-S have a free plan?
Yes — Qucs-S is free to use.
What platforms does Qucs-S run on?
Qucs-S runs on Linux.
Is Qucs-S still active?
PulseGate's liveness checks currently classify Qucs-S as active.
What tools are similar to Qucs-S?
Similar tools tracked by PulseGate include qsu, quse, and Qalculate!.qsuquseQalculate!
Who develops Qucs-S?
Qucs-S is developed by Vadim Kuznetsov.

At a glance

Platforms
Desktop
Languages
English
First seen
Jul 21, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
Electronics engineers and students
Model
Open source
Solves
Simulating and testing electronic circuits using a graphical interface and various simulation backends.

Developer

Vadim Kuznetsov

Live coverage

Confidence
Medium · 70
Indexed
Jul 21, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
1w ago
Identity audit (10)
Entity ID
cmrv3ra2l03gyqa6kgjma92x1
Slug
qucs-s-flathub-org
Lifecycle last checked
Jul 21, 2026
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 21, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 27, 2026
Canonical URL
https://flathub.org/apps/io.github.ra3xdh.qucs_s

Similar apps

Other apps tracked under the same category.

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    pypi.org
  • quse
    pypi.org
  • Qalculate!
    flathub.org
  • QSpeakers
    flathub.org
  • pqc-scan
    pypi.org
  • KSquares
    flathub.org