EDA Schematic Capture and Simulation powered by NgSpice

digilogic is a high speed digital circuit simulator / schematic capture

an open source PCB editor for Microsoft Windows, released under the GNU General Public License.

Maintenance mode: security and KiCad compatibility fixes only (see README for why). KiCad MCP server: 100+ Model Context Protocol tools that let an AI assistant do schematic capture and PCB layout, run ERC and DRC, and export Gerbers, BOM and 3D models.

EDA Schematic Capture and Simulation powered by NgSpice

ESD - Open Source Electronic Design Automation (EDA) Software

Angular schematic capture editor for circuit diagrams — drag-and-drop electronic components, wiring, and DXF/SVG/JPEG/JSON export. Built on ng-diagram.

Open-source analog, digital, and mixed-signal circuit simulator built with Python and PyQt6.

Rust EDA desktop app and CLI for schematic capture, circuit simulation, PCB routing, and Gerber/Excellon export. Includes STM32/ESP32 footprints and experimental Proteus import.

A Kicad plug-in for PCB Schematics with 1) deep ERC with life-cycle checks 2) TP insertion 3) AI functional analysis. Free 1 page design reviews

Proteus Design Suite Professional — electronics simulation with SPICE, PCB layout and microcontroller co-simulation.

Generate native Altium Designer .SchDoc schematics from pure Python - no COM, no automation API. Parts from official AD libraries, hierarchical design, ERC + geometric audit + third-party cross-check. | 纯 Python 写出 AD 原生原理图文件。

Designing and Simulating Analog and Digital Circuits using Spice

Schematic generator from netlist

中文需求 → 可编辑原理图 → 确定性门禁复验（ERC / ngspice / KiCad）

schematic diagrams in kicad

Professional PCB design environment — unified schematic capture, layout, ECAD/MCAD integration, multi-board assembly, signal integrity simulation and Gerber/ODB++ manufacturing output.

Suite EDA de escritorio para Windows: esquemático, simulación SPICE, PCB con Gerber, visor 3D y Ladder/PLC. Funciona sin conexión. Importa KiCad y EAGLE.

CircuitLab — independent third-party profile of a public API surface, by API Evangelist. CircuitLab, Inc. is an in-browser schematic capture and circuit simulation platform that lets engineers, students, educators, and hobbyists design and analyze analog and digital electronics systems before building a physical prototype.