Alternatives and similar repositories for ngspice:

Users that are interested in ngspice are comparing it to the libraries listed below

• samerps / Blender-FastHenry
  Blender FastHenry - FastHenry simulations in Blender
  ☆48Updated this week
• eelab-dev / EEcircuit
  A browser-based SPICE circuit simulator
  ☆114Updated last month
• acidbourbon / numpy_ltspice_filter
  A python module for seamless integration of analog filters designed in LTspice into Python3/Numpy signal processing projects.
  ☆50Updated 3 months ago
• BerkeleyHCI / PolymorphicBlocks
  A work-in-progress board-level hardware description language (HDL) providing design automation through generators and block polymorphism.
  ☆74Updated this week
• BerkeleyHCI / edg-ide
  ☆14Updated 6 months ago
• dvc94ch / pycircuit
  Use python for designing circuits (experimental) (deprecated in favor of https://electron-lang.org)
  ☆58Updated 2 years ago
• niyeradori / QuickSmith-Web
  Web and Mobile version of QuickSmith
  ☆14Updated this week
• Alhadis / language-pcb
  Syntax highlighting for various PCB (Printed Circuit Board) formats.
  ☆20Updated 3 years ago
• TinyTapeout / tt-support-tools
  tools used by project repos to test configuration, generate OpenLane run summaries and documentation
  ☆18Updated this week
• MichaelBell / spi-ram-emu
  SPI RAM Emulation on Pico
  ☆23Updated last year
• mbalestrini / GDS2glTF
  ☆12Updated 7 months ago
• lxTHU / vscode-spice
  VScode SPICE language support
  ☆27Updated 2 years ago
• mcbridejc / kicad_component_layout
  Scripted component layout plugin for KiCad/pcbnew
  ☆27Updated 11 months ago
• diorcety / KiBlenderCad
  ☆29Updated 3 years ago
• johnbeard / kiplot
  KiCad plotting utility
  ☆44Updated 4 years ago
• kingoflolz / mic_gateware
  ☆15Updated last year
• easy-phi / main
  easy-phi
  ☆25Updated 10 years ago
• Qucs / qucsator
  Circuit simulator of the Qucs project
  ☆26Updated last month
• klotzsch-lab / Maasi
  Maasi is an Open Source Spin Coater
  ☆35Updated 4 months ago
• projectsinflight / TubeFurnace
  ☆19Updated last year
• thliebig / CSXCAD
  A C++ library to describe geometrical objects and their physical or non-physical properties.
  ☆35Updated 2 weeks ago
• Open-RFlab / octave-openems-hll
  openEMS High-level layer
  ☆17Updated 2 years ago
• Steffen-W / KiCad-Parasitics
  KiCad plugin to determine the parasitic properties of the printed tracks in the PCB layout.
  ☆32Updated 6 months ago
• tinfever / KiCAD-Custom-DRC-Rules-for-JLCPCB-with-Unit-Tests
  Comprehensive KiCAD Custom Rules for JLCPCB 4-layer service. Including PASS/FAIL test PCB examples for each rule.
  ☆27Updated last year
• electron-lang / electron
  A mixed signal netlist language (pre-alpha)
  ☆60Updated 6 years ago
• QuickLogic-Corp / qomu-dev-board
  100% open source dev kit for EOS S3 MCU+eFPGA SoC supported by fully open source SDK and FPGA Toolchain
  ☆34Updated 3 years ago
• amaranth-farm / amgen
  command line tool for frequent amaranth HDL tasks (generate sources, show design)
  ☆12Updated 3 years ago
• amaranth-lang / rtl-debugger
  VS Code based debugger for hardware designs in Amaranth or Verilog
  ☆35Updated 2 months ago