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Software · 3D, CAD & electronics

SimulIDE

SimulIDE is an electronics design program, available on Linux: debugging.

  • Completely free
  • Linux
  • Open source

Overview

SimulIDE is an electronics design program, available on Linux.

Features described in its Flathub listing, in its GitHub repository and on its official website: debugging.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “Circuit simulator” — Flathub, 10 November 2026
  • “SimulIDE also features a code Editor and Debugger.” — GitHub, 10 November 2026

At a glance

All of SimulIDE is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

SimulIDE is a simple real time electronic circuit simulator, intended for hobbyist or students to learn and experiment with analog and digital electronic circuits and microcontrollers. It supports PIC, AVR , Arduino and other MCUs and MPUs. Simulation speed is one of the most relevant characteristics of this simulator. It has been deeply optimized to achieve excellent speeds and low cpu usage. SimulIDE also features a code Editor and Debugger for Arduino, GcBasic, PIC asm, AVR asm and others. It is possible to write, compile and do basic debugging with breakpoints, watch registers and global variables. Features: Analog and Digital components Microcontrollers Code Editor Debugger Subcircuits DIP/Logic Symbols Circuit Animation Basic Shapes Oscilloscope Logic Analyzer Serial Port Connection Serial Monitor

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Facts collected from Official plan pages (pricing, licence, terms) (commercial use) —
  • Last technical check: 6 November 2026
  • Description from Flathub — AppStream (Flathub)

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