A free, open source, mixed-signal circuit simulator that runs entirely in your browser. Rust engine compiled to WebAssembly, Svelte front end.
Design, validate, and export professional electrical plans from an intuitive local-first workspace.
Schema Editor is a free mobile-first, touch-optimized vector design web application for designing, viewing, analyzing, and interacting with electric and circuit schematics, flowcharts, network diagrams, PCB designs, UML designs and architectural floorplans.
Altera MAX+plus II / MaxPlus II / MaxPlus2 MCP：数字电路与数电实验，GDF/SYM/SCF 编辑、编译仿真及 Windows 自动化。Agent-independent MCP server for FPGA/CPLD digital logic labs: schematic, symbol and waveform editing, native compilation/simulation.
Angular schematic capture editor for circuit diagrams — drag-and-drop electronic components, wiring, and DXF/SVG/JPEG/JSON export. Built on ng-diagram.
Agentic Analog IC Schematic Editor是一款天然具备 Agent 逻辑的原理图编辑工具，旨在颠覆传统的 Analog IC 设计范式。
The open workbench for electronics — schematic → simulation → firmware in the browser. Open engines (KiCad, ngspice, Renode, PlatformIO) behind one interchange format, driven by AI agents via MCP.
Toolkit for editing circuit schematics and validating hierarchical netlists, with a graphical editor, CLI checker, and desktop launcher
Browser-first AI tool that converts hand-drawn or uploaded electrical diagrams into editable schematics with React, PixiJS, ONNX, OpenCV/WASM, Tesseract, and circuit-graph reconstruction.
Offline schematic editor for analog circuits. Explicit connectivity, hierarchical Cells, a reference-calibrated symbol library, deterministic SPICE/Spectre netlists, and SVG/PDF/PNG plus editable Visio output. Windows desktop, no server, no account, no telemetry.
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
伏线 · Local-first SPICE schematic editor, ngspice simulation, waveform plots and optional AI/MCP tools
IEC 60617 schematic editor, circuit analysis (DC/AC/3φ), and linear SISO control-system block diagrams. Apache 2.0. UBU Faculty of Engineering.
SchaltungsZeichner – Schaltpläne für Prüfungen & Unterricht | Circuit diagrams for exams & teaching (PyQt5)
Schematic generator from netlist
A interactive circuit designer built with React and TypeScript. Create, edit, and manipulate circuit diagrams with wire routing, image import.
An easy-to-use digital logic simulator and circuit designer for Windows.
An open-source, Proteus-inspired application for designing and experimenting with electronic circuits.
Circuit Analyzer is an interactive RLC circuit modeling tool. It features an parser that converts visual schematics into operator-form equations. After equation generation, the software allows numerical calculations and plots the results for time-domain analysis.
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