Open source whiteboards and diagram tools, tested

:art: Diagramm als Code für das Prototyping von Cloud-Systemarchitekturen

Was der Test ergab: 53 tests pass (1 skipped because packaging tests require running outside source tree), PNG diagram generation verified with AWS EC2/RDS/ELB nodes producing a 48257 byte PNG, CLI entry point works, all 2847 node icon files resolve correctly from the installed distribution. 8 Minuten.

All-in-one-Open-Source-Whiteboard-Tool mit Mindmap, Flussdiagramm, Freihand und usw.

Was der Test ergab: Full install completes cleanly with Node.js 20.20.2, all 29 unit tests pass across 4 Nx projects (drawnix: 9 files/26 tests, react-board: 1/1, react-text: 1/1, web: 1/1), and the Vite dev server serves the web application on port 7200 responding HTTP 200. 4 Minuten.

Draws simple SVG flow chart diagrams from textual representation of the diagram

Was der Test ergab: flowchart.js builds, parses DSL, and renders SVG flowcharts in the browser via the dev server, confirmed with Puppeteer headless browser. 8 Minuten.

FlowGram ist ein erweiterbares Workflow-Entwicklungsframework mit integriertem Canvas, Formular, Variable und Materialien, das Entwicklern hilft...

Was der Test ergab: FlowGram monorepo builds successfully (73/73 Rush projects), all tests pass across 9 packages with vitest (0 failures), and the demo-free-layout app serves correctly via Rsbuild dev server answering HTTP 200. 15 Minuten.

JavaScript-Diagrammbibliothek, die SVG und HTML zum Rendern verwendet.

Was der Test ergab: The @antv/x6 v3.1.8 monorepo installs with pnpm, compiles TypeScript without errors, builds ESM/CJS/UMD bundles via rollup, and passes 3039 tests across 202 test files in a jsdom environment using vitest. 3 Minuten.

Antworten Sie mir via HTML: eine Agent-Skill, die schwierige Fragen mit einer einseitigen HTML-Seite beantwortet, die Sie tatsächlich lesen können. Lassen Sie...

Was der Test ergab: npm install added 6 packages with 0 vulnerabilities; all 193 tests pass; am CLI renders examples to self-contained HTML files with SVG diagrams, STE writing checks, blueprint and shadcn themes, and supports render/lint/config/patch/video subcommands. 4 Minuten.

Konvertieren Sie Ihre ASCII-Diagramm-Kritzeleien in fröhliche kleine SVGs.

Was der Test ergab: The svgbob workspace builds, all 110 tests pass, the CLI converts ASCII diagrams to valid SVG, and the server serves HTTP on port 3000. 2 Minuten.

Interaktives Diagramm der React-Lebenszyklusmethoden.

Was der Test ergab: The React Lifecycle Methods Diagram builds successfully via Vite 8, TypeScript compiles cleanly, lint passes, and the dev server serves the interactive diagram on localhost:5173 with HTTP 200. 10 Minuten.

Ein moderner kommutativer Diagramm-Editor für das Web.

Was der Test ergab: The quiver commutative diagram editor builds successfully with all dependencies (KaTeX, Workbox, icons), serves via python3 http.server on port 8000, and loads in Chromium with zero JavaScript errors and full UI rendering. 6 Minuten.

:ocean: Rendering-Engine für digitale Timing-Diagramme

Was der Test ergab: WaveDrom v3.7.0 installs and runs: npm test passes (eslint 0 errors, 6 mocha tests pass, 79.8% statement coverage), CLI outputs valid SVG from JSON5 input, and all 4 distribution bundles build successfully. 3 Minuten.

Der freche UML-Diagramm-Renderer

Was der Test ergab: nomnoml v1.7.0 library and CLI are installed, all 132 unit tests pass, and both the API (renderSvg) and CLI produce valid SVG output from nomnoml syntax. 2 Minuten.

Ein leistungsstarkes Zeichenbrett mit mehreren Enden, das viele kreative Pinsel vereint, um eine völlig neue Bandbreite an Zeicheneffekten zu erleben!

Was der Test ergab: paint-board v2.0.0 (paint-board) builds and serves correctly via Vite. The dev server (pnpm dev) starts and returns HTTP 200 on /paint-board/. All application JS/CSS assets compile cleanly. 22 Minuten.

PlantUML-Klassendiagramm-Generator für golang-Projekte

Was der Test ergab: GoPlantUML builds with Go 1.22.2, installs as a goplantuml binary, all 46 parser tests pass, and the binary runs against real Go source directories to emit valid PlantUML diagrams to stdout and files. 4 Minuten.

Lesen Sie Ihr tfstate oder HCL, um einen für jeden Provider spezifischen Graph zu generieren, der nur die wichtigsten/relevantesten Ressourcen anzeigt.

Was der Test ergab: The Go project builds cleanly, all 8 test packages pass, and the binary prints correct version output, generates DOT graphs from both tfstate and HCL inputs, and prunes sensitive fields from state files. 3 Minuten.

Ein schneller nativer Rust-Mermaid-Diagramm-Renderer. Sie benötigen keinen Browser. 500-1000x schneller als mermaid-cli.

Was der Test ergab: mmdr 0.3.1 installs, builds, and renders Mermaid diagrams to SVG and PNG. Unit tests (386 passed), layout tests (28 passed, including the fixed quadrant test), and all fast integration suites pass. 55 Minuten.

Agent skill: Beschreiben Sie Ihren Stack in einem Satz, erhalten Sie ein Architekturdiagramm mit offiziellen Logos.

Was der Test ergab: The real icon-fetch, HTML-build, and Chromium PNG-render pipeline for stack-diagram runs successfully in this container and produces valid self-contained HTML plus decodable 2000x1082 PNGs in light and dark themes. 4 Minuten.

Vue-Komponenten für die Konva 2d Canvas-Bibliothek. Erstellen Sie interaktive Grafiken, Design-Editoren und Whiteboards in Vue.

Was der Test ergab: Standard npm install succeeded and, when run on Node 22, npm test exits 0 with 62 passing tests and npm run build exits 0 producing dist bundles (vue-konva.js, vue-konva.umd.js, vue-konva-core.js) plus .d.ts declarations; no tracked repo files were modified. 5 Minuten.

Eine erweiterbare Text-zu-Diagramm-Bibliothek, die sowohl im Browser als auch in node.js funktioniert.

Was der Test ergab: Installs, compiles, and runs test suite (38 suites, 227 tests, 26 snapshots all passing). CLI can render diagrams to SVG via jsdom+bundled pintora-standalone. 25 Minuten.

drawthe.net zeichnet Netzwerkdiagramme dynamisch aus einer Textdatei, die die Platzierung, das Layout und die Symbole beschreibt. Wenn eine YAML-Datei die...

Was der Test ergab: On a brand-new clone, npm ci, npm run build, and npm run render all succeed and the app runs in a real browser and through its MCP server. 8 Minuten.

Eine Text-Diagramm-Sprache, bei der Sie sagen, wohin Dinge gehen. Playground: reladraw.github.io/reladraw

Was der Test ergab: reladraw 0.19.0 builds from source and renders all 32 bundled example .reladraw files to valid SVGs with correct dimensions via both the CLI and programmatic API. 3 Minuten.

Digitaler Zeitdiagramm-Editor

Was der Test ergab: WaveDrom Editor installs, its eslint suite passes, the desktop app launches and renders on the virtual display, and the WaveDrom engine exports valid SVG and PNG timing diagrams via the nw runtime CLI. 26 Minuten.

CLI-App zum Konvertieren von ASCII-Kunst in handgezeichnete Diagramme.

Was der Test ergab: diagram binary builds with Go 1.27.2; --help prints banner and 'Version: 1.1.0'; CLI mode converts sample.txt to a valid non-blank 870x890 PNG that ffmpeg decodes cleanly with exit 0; preview mode opens a live 'Preview diagram...' window on Xvfb :99 and stays up until killed; go vet and go test (in an out-of-tree copy... 14 Minuten.

Zeichnungen durch Konversation erstellen und bearbeiten.

Was der Test ergab: All 319 tests pass, frontend builds and is served on port 8000 returning HTTP 200, server starts without errors using only bundled dependencies. 7 Minuten.

Leichtgewichtiges kollaboratives Whiteboard / Sketchboard

Was der Test ergab: All 3 test suites pass (12/12), the production server starts on port 8080 and responds to /api/health (200), /api/loadwhiteboard ([]), and /api/getReadOnlyWid (UUID). 11 Minuten.

Das MIT-lizenzierte infinite-canvas Whiteboard SDK. Eine Open-Source-tldraw-Alternative, keine Lizenzgebühr, kostenlos für die kommerzielle Nutzung. React...

Was der Test ergab: Quickdraw monorepo installs cleanly, all 134 tests pass (131 vitest + 3 sync), and TypeScript typechecking passes. 2 Minuten.

ngDiagram: Open-Source-Angular-Bibliothek für interaktive Diagramme, knotenbasierte Editoren und Workflow-Ersteller. Angular zuerst: Signale und Vorlagen.

Was der Test ergab: pnpm install completes, all 213 test files (3545 tests) pass, the ng-diagram Angular package builds to dist/ng-diagram, and the angular-demo app builds to dist/angular-demo. 6 Minuten.

Angular-native Node-Editor-Bibliothek für Produktions-Workflow-Builder, KI-Pipelines und interaktive Diagramm-Editoren. MIT-lizenziert.

Was der Test ergab: All 329 unit tests for @foblex/flow pass on Node.js 20.20.2 with Chrome 148 headless and --no-sandbox. 13 Minuten.

Ein Plugin zur Integration von tldraw in Obsidian.

Was der Test ergab: The Obsidian Tldraw plugin builds successfully via esbuild and all 8 end-to-end WebdriverIO tests pass against Obsidian v1.14.4 running on Xvfb. 4 Minuten.

Ein Open-Source-Python-Paket, das Hardware-Pinbelegungsdiagramme als SVG-Bilder erzeugt.

Was der Test ergab: Pinout package installed in Python 3.12 venv with all dependencies (Jinja2, Pillow, pandas, openpyxl, libsass). All 12 reference SVG tests pass. The CLI manager duplicates resources and exports valid SVGs end-to-end. 35 Minuten.

Premium handgezeichnete, animierte Architektur- und Prozessdiagramme mit dunklem Hintergrund. Ausgaben: editierbare.excalidraw + PNG + echte animierte GIFs...

Was der Test ergab: Fresh venv installs deps; all 83 tests pass; browser render of assets/default-spec.json produces verified 1210x1138 41-frame 20fps GIF (motion confirmed) plus MP4, PNG, Excalidraw, all decoded by ffprobe. 5 Minuten.

Rendern Sie PlantUML-Diagramme in GitHub-Markdown-READMEs und -Dokumentationen: klickbare Diagrammbilder aus.puml-Dateien, die aufeinander verlinken, ohne zu...

Was der Test ergab: puml-for-markdown v2.1.1 installs and builds on Node.js 22; its 61-test suite passes, and the CLI correctly renders PlantUML diagrams into markdown with direct PlantUML server URLs. 2 Minuten.

Generiert UML-Diagramme aus TypeScript-Quellcode.

Was der Test ergab: Project installed, built, and tested. All 22 vitest tests pass and the CLI generates correct UML SVG, nomnoml DSL, and mermaid DSL output from TypeScript source files. 1 Minute.

Software-Architektur-Diagramm-Tool. Enthält ein modernes, benutzerfreundliches Frontend + Backend + CLI, um Diagramme von der Shell oder in CI aus zu verwalten.

Was der Test ergab: tld builds into /tmp/tld, runs as a background web server on 127.0.0.1:18060 serving the frontend with HTTP 200, and all 61 Go test packages pass. 9 Minuten.

Ein CLI-Tool zum Portieren von Excalidraw-Diagrammen nach Gliffy, draw.io und Mermaid.

Was der Test ergab: Go 1.27.3 installed, dependencies resolved, all 4 test suites pass (11 functional tests + subcases), app converts Excalidraw .excalidraw files to Gliffy and Mermaid formats via CLI. 15 Minuten.

PlantUML-Makros und andere Includes für Archimate-Diagramme

Was der Test ergab: The repository renders Archimate diagrams to SVG via PlantUML 1.2026.7 on Java 17. 16 sample SVGs and 2 dist example SVGs were generated, every one structurally valid and containing proper Archimate diagram content with no errors. 15 Minuten.

Wandeln Sie Code in ein Flussdiagramm um und verfolgen Sie experimentell den Ausführungspfad durch dieses.

Was der Test ergab: Inside the container, Ruby 3.4.8 and Graphviz live in a userspace conda env, bundle install completes, the full RSpec suite passes with 103 examples and 0 failures, and both README example scripts generate real decodable PNG flowcharts. 5 Minuten.

Erstellen Sie schöne isometrische Infrastrukturdiagramme. (Eine Fortsetzung von stan-smith/FossFLOW)

Was der Test ergab: FossFLOW app builds from source, dev server serves at localhost:3000, backend server provides full CRUD storage at localhost:3001 with path-traversal protection, all unit and end-to-end tests pass, and exported SVG/PNG media files are valid. 18 Minuten.

Agent-Skill, der natürliche Sprache, Code, Terraform/K8s, SQL, OpenAPI, AsyncAPI, Protobuf und GraphQL-Quellen in bearbeitbare, getestete...

Was der Test ergab: The drawio-skill project runs fully: 174 unit tests pass, the diagramctl CLI (12 subcommands) works end-to-end for core semantic workflows, all importers produce correct IR, the MCP server responds with 9 tools, and the shape/index/validate infrastructure is operational. Only the draw.io desktop binary (for native... 10 Minuten.

Unternehmen, die keinen kaputten Einstellungsprozess haben

Was der Test ergab: Dependencies installed, lint plugin pipeline loaded, and remark-lint reports zero issues on the full README.md. 2 Minuten.

Generieren Sie bearbeitbare Excalidraw-Diagramme aus Text oder JSON für Agents und Developer-Workflows.

Was der Test ergab: The excalidraw-cli TypeScript project builds successfully and all functional tests pass. CLI commands create, parse, and convert diagrams from DSL, JSON, and DOT inputs, producing valid .excalidraw files, PNG images, and SVG output. 8 Minuten.

React-Komponenten für die Konva-2d-Canvas-Bibliothek. Erstellen Sie interaktive Grafiken, Design-Editoren und Whiteboards mit JSX.

Was der Test ergab: All 196 browser tests pass against Chromium, TypeScript checks pass, the build produces es/ and lib/ output, SSR rendering succeeds across CommonJS and ES module entry points, package exports resolve correctly in ESM/CJS/Node10/Bundler modes, and DevTools registration and canvas commits are functional. 30 Minuten.

Vue.js-Wrapper für Chart.js

Was der Test ergab: The vue-chartjs repository installs, lints, builds, and runs all 24 unit tests successfully with pnpm 12.6.0 and Node 18.19.1 in this container. 2 Minuten.

Visualisierer für selbst gehostete Homelab-Infrastruktur: interaktives Netzwerkdiagramm mit Echtzeit-Statusüberwachung

Was der Test ergab: Backend FastAPI app starts and responds to health checks, all 1512 backend tests pass, all 532 MCP tests pass; frontend build requires Node 20.19+ which is not available in this container. 58 Minuten.

Ein Markdown-Editor, der in Ihrem Browser, auf dem Desktop und unter einer einzigen URL lebt. Schnelle GitHub-artige Markdown-Bearbeitung mit Live-Vorschau...

Was der Test ergab: All 186 Playwright Chromium e2e tests pass, static server returns HTTP 200, and desktop CDN libraries are populated. 10 Minuten.

JavaScript-Architekturdiagramme und Abhängigkeitsgraphen

Was der Test ergab: npm install --ignore-scripts, npm run compile, npm run lint, and npm run jest all pass (29/29 tests); CLI generates PUML output end-to-end; SVG/PNG generation requires a mock Java substitute for the missing JRE. 27 Minuten.

Offizielles öffentliches Markdeep-Quellcode-Archiv

Was der Test ergab: markdeep.py and markdeep2.py (identical) import cleanly from python3 stdlib; all 10 exported functions produce correct outputs; __main__ examples print header_anchor introduction/formsof_being_/addendum, definition_anchor apireference/def-foo-fcn, and generate_markdown_table renders correctly. 6 Minuten.

Miro Developer Platform App-Beispiele

Was der Test ergab: Root npm install succeeds, 17 of 20 frontend examples build with Vite/Next.js, and 7 of 9 server-based examples start and respond to HTTP requests on expected ports. 8 Minuten.

VSCode-Erweiterung für D2-Dateien.

Was der Test ergab: The VS Code extension installs, builds with webpack, packages into a working .vsix (3.29 MB), installs into VS Code 1.143.1, and activates with all 5 D2 commands registered. Syntax highlighting grammar regenerated from YAML source. 8 Minuten.

Vorschau von Mermaid-Diagrammen

Was der Test ergab: With local substitutes for the 5 private @mermaid-chart packages, the project installs via pnpm, compiles and bundles, lints with 0 errors, passes its VS Code integration test (1 passing), packages into vscode-mermaid-preview-2.2.0.vsix which installs and lists in VS Code 1.143.1, and renders a mermaid flowchart to... 19 Minuten.

Ein Markdown-Editor, und die Brücke zu Ihrem LLM. Local-first, MIT, ~15 MB. Der gebündelte MCP-Server ermöglicht es Claude Code / Codex / Cursor, Ihr Vault...

Was der Test ergab: solomd-mcp binary built and all 36 unit tests pass; MCP server responds correctly to initialize, list_notes, read_note, and search over JSON-RPC stdin/stdout; frontend dist/ built via vite. Tauri desktop app failed to link due to incompatible system libdbus-1 (Rust dbus crate expects unprefixed symbols). 16 Minuten.

Project flat ist der Client für Web, Windows und macOS des Open-Source-Klassenzimmers Agora Flat.

Was der Test ergab: pnpm monorepo installed, flat-web Vite dev server runs and serves the React app with live TypeScript compilation on port 3000, Electron main process esbuild bundle compiles successfully. 28 Minuten.

Nutzen Sie LLM, um Diagramme in Echtzeit zu streamen, anstatt Tokens! (UIST 2023 Paper)

Was der Test ergab: npm install completed (3365 packages), npm run build compiled successfully serving index.html with Graphologue title, the OpenAI module was patched to accept a configurable base URL, a mock API server at port 8008 returns correct OpenAI-formatted responses, the built JS references the mock endpoint, all three served... 14 Minuten.

Solana Arbitrage Bot, der Cross-Dex wie Raydium, Orca, Meteora austauscht, mit einer Architektur in der Sprache Rust und unter Verwendung des Anchor-Frameworks.

Was der Test ergab: solana-arbitrage-bot2.0 binary compiles and responds to --version/--help; arb-opportunity-execute-trade-python script fetches real-time Raydium and DexScreener prices showing cross-DEX price differences; solana-mev has 177 pre-existing compilation errors; client-pool has dependency path issues. 29 Minuten.

Meta2d.js是一个实时数据响应和交互的2d引擎，可用于Web 组态、SCADA，表报、流程图、中控可视化等可视化需求。Meta2d.js is a 2D visualization engine built around data-driven display and dynamic interaction...

Was der Test ergab: pnpm install and pnpm build complete, all 18 packages compiled to dist/ with index.js outputs, webpack bundle at dist/meta2d.js/meta2d.js (762 KiB, valid JS), es5 example serves all assets at HTTP 200, vue3 example builds with vite to 2.7M dist/. 25 Minuten.

Jakarta EE 10 & MicroProfile Anwendungsgenerator und Modellierer

Was der Test ergab: All 14 modules of the main Jeddict repo build successfully after importing JavaParser path fix. Tests could not execute because they require a full NetBeans IDE runtime. 51 Minuten.

Leichtgewichtige (~1.5 MB) Open-Source-Bildschirmannotation mit Klick-durch-Modus und tastaturorientierten Tastenkürzeln. Für Demos, Schulungen, Besprechungen...

Was der Test ergab: All frontend infrastructure works: Node 24.15.0, npm 11.12.1, dependencies installed, 346/346 vitest tests pass, TypeScript typechecks clean, Vite build succeeds, lint and format pass. The Rust Tauri backend is intentionally Linux-incompatible (compile_error guard + cfg-gated platform functions for Windows/macOS only)... 20 Minuten.

Dgrm.net - Flussdiagramm-Editor. Funktioniert auf Desktop, Smartphone und Tablet. Hat keine Abhängigkeiten. Reines JavaScript.

Was der Test ergab: konnte nicht verifiziert werden; das Log zeigt, wo es stehen blieb. 1 Minute.

Kition bringt Markdown, DataTable, WhiteBoard, einen Tool-nutzenden KI-Agenten, Browser-Recherche und visuelle Workflows in einen Desktop-Arbeitsbereich.

Was der Test ergab: konnte nicht verifiziert werden; das Log zeigt, wo es stehen blieb.