Renders Mermaid diagrams faster than you'd run from a volcano! π
Virtual whiteboard for sketching hand-drawn like diagrams
Draw and edit draw.io diagrams by chatting with an AI. Web app, desktop app, and an MCP server for Claude Code, Cursor, Codex and VS Code.
Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown
Review code 100X faster. Lens draws every PR as animated architecture and data-flow walkthroughs, inside the pull request itself. Use it as a GitHub App, GitHub Action, CLI, or a Skill for your coding agent
Visualize any GitHub codebase: free interactive architecture diagrams and one-minute explainer videos. Replace 'hub' with 'diagram' in any GitHub URL.
Claude's answers, rendered: Markdown, math, charts and diagrams drawn in the Claude Code terminal. Independent project, not affiliated with Anthropic.
Visualize, collaborate, and evolve the software architecture with always actual and live diagrams from your code
Colorful, themeable Claude Code replies: tables, code, diagrams, charts and tool rows in 15 themes, with copy buttons. A Claude Code mod.
Free, open-source web app for learning about ontologies and Microsoft Fabric IQ. Explore a catalogue of pre-built ontologies, design your own visually, export as RDF/XML, and share interactive diagrams. Zero backend, fully static.
Nimbalyst - The open-source visual workspace for Claude Code, Codex, and OpenCode. Run multiple coding agents in parallel, edit their work visually in markdown, mockups, and diagrams, and track tasks. Free, MIT-licensed desktop app for macOS, Windows, Linux, with mobile companion for iOS and Android.
Turn requirements into UML diagrams, test cases and editable Word specsβwith traceability. Self-hosted, bring your own AI model. Built for capstone and course projects.
Repository Markdown, readable system diagrams, and a local Nessa Docs browser.
Konva.js is an HTML5 Canvas JavaScript framework for interactive graphics, design editors, whiteboards, and diagrams. Scene graph with events, drag and drop, transforms, animations, and export.
Easily generate flowcharts and diagrams from text βΏ»
Generate, edit, test, and execute Finite State Machines.
MCP server and Claude Code skill for Excalidraw β programmatic canvas toolkit to create, edit, and export diagrams via AI agents with real-time canvas sync.
Free, open-source diagram canvas. Draw it, write it as code (Mermaid, D2, Structurizr in), ask any AI model or a local one, let Claude Code edit it live over MCP, or map a GitHub repo with every arrow cited to a file and line. MIT, local-first, no account.
Edit, preview and share mermaid charts/diagrams. New implementation of the live editor.
local-first markdown editor with live preview, reading mode, diagrams, themes, and context bundles.
The animated diagram editor AI agents can draw on. Animated technical diagrams (architecture, sequence, BPMN, cloud icons) built by you and your agent together on the same live canvas, via WebMCP. Open-source, local-first.
Create beautiful diagrams just by typing notation in plain text.
HedgeDoc - Ideas grow better together
Generate Excalidraw diagrams from Mermaid
A completely customizable framework for building all-in-one drawing whiteboard
Automatically generates beautiful and easy-to-read ER diagrams from your database.
Compare syntax, layouts, outputs between languages for generating diagrams with text.
Visual editing for Mermaid diagrams.
A reading app for system design interviews: concept modules, technology pages and worked designs with interactive architecture diagrams.
This unofficial extension integrates Draw.io (also known as diagrams.net) into VS Code.
Keyboard-first local Markdown notes with Vim motions, diagrams, and MCP integration.
An extensible text-to-diagrams library that works in both browser and node.js
drawthe.net draws network diagrams dynamically from a text file describing the placement, layout and icons. Given a yaml file describing the hierarchy of the network and it's connections, a resulting diagram will be created.
A diagramming framework for the web
Lightweight Knowledge Base and Feed Reader. Web: https://mdsilo.github.io/mdSilo-app/
Create diagrams and plan your code with TypeScript.
ngDiagram β open-source Angular library for interactive diagrams, node-based editors, and workflow builders. Angular-first: signals and templates.
Sample Generative AI tool for evaluating Infrastructure as Code and architecture diagrams against AWS Well-Architected best practices.
ARC-DRAW is an SAP-aware Model Context Protocol (MCP) server for SAP Solution Architects. You describe an architecture in plain language; the AI agent places the correct SAP BTP icons and follows the official SAP diagram grammar to lay them out.
Draw the architecture once. Send the document. A self-hosted studio for architecture documentation β layered diagrams, six cloud-targeted templates, and a self-contained HTML export.
Local-first, MCP-native tool for modelling software architecture. C4-style semantic model, React Flow editor, SQLite, single container β a self-hosted Structurizr alternative your AI client can edit over MCP.
π Vue.js wrapper for Chart.js
Teach your AI to draw correct, beautiful draw.io diagrams β declarative layout engine, ground-truth stencils, structural validator, vision self-check. AWS Β· Azure Β· GCP Β· Databricks Β· BPMN. Zero dependencies.
Generate PlantUML Diagrams inside Obsidian.md
Database diagrams editor that allows you to visualize and design your DB with a single query.