Diagram and whiteboard privacy ratings
Diagram editors and online whiteboards.
12 diagrams and whiteboards are rated against 9 public criteria, and 12 have enough evidence for a letter grade. Of the 10 with a known jurisdiction, 8 are based in a Five Eyes country, and 9 in the wider Fourteen Eyes.
Open-source diagrams and whiteboards only · Criteria for this category · Suggest an addition · Markdown
| Name | Grade | Score | Data | Jurisdiction | Open source | No trackers or telemetry | No ads or data sales | Independent audit | Transparency report | Tells users about requests | TLS configuration | Security headers | Modern web standards |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
An open-source diagramming app for flowcharts, UML, network and architecture diagrams that runs in the browser or as a desktop app, and saves files to the device or to a storage service the user chooses. |
Grade B | 80 | 100% | United Kingdom Five Eyes | Yes | Yes | Yes | No | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
An open-source JavaScript library that renders flowcharts, sequence, class, Gantt and other diagrams from Markdown-like text definitions. It is built into many documentation tools and code hosting sites. |
Grade B | 80 | 100% | – | Yes | Yes | Yes | No | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
An open-source virtual whiteboard for sketching hand-drawn style diagrams in the browser. Drawings are stored locally, and shared links and live collaboration are end-to-end encrypted. A paid hosted workspace, Excalidraw+, is also offered. |
Grade C | 65 | 100% | Czechia Outside Eyes | Yes | Partial | Partial | Partial | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Microsoft's diagramming app for flowcharts, org charts, floor plans and network diagrams, available as a Windows desktop app and in the browser as part of Microsoft 365. Cloud files are stored in OneDrive or SharePoint. |
Grade D | 56 | 100% | United States Five Eyes | No | No | Yes | Partial | Yes | Yes | Yes | Yes | Not tested yet |
Figma's online whiteboard for brainstorming, diagrams, flowcharts and meetings, with sticky notes, templates, widgets and AI features, running in the browser and in Figma's apps. |
Grade D | 47 | 100% | United States Five Eyes | No | No | Partial | Partial | Yes | Yes | Yes | Partial | Not tested yet |
A web-based diagramming app from Lucid Software for flowcharts, org charts, network and architecture diagrams, with real-time collaboration, data linking and AI features. |
Grade F | 38 | 100% | United States Five Eyes | No | No | Partial | Partial | Partial | Yes | Yes | No | Not tested yet |
An online collaborative whiteboard for diagrams, sticky notes, mind maps, flowcharts and workshops, with templates, AI features and desktop and mobile apps. |
Grade F | 34 | 100% | United States Five Eyes | No | No | Partial | Partial | No | Yes | Yes | Partial | Not tested yet |
An online visual collaboration whiteboard for workshops, brainstorming, diagrams and planning, with templates, facilitation tools and AI features, plus desktop and mobile apps. |
Grade F | 34 | 100% | United States Five Eyes | No | No | Partial | Partial | No | Yes | Yes | Partial | Not tested yet |
An online workspace for flowcharts, mind maps, wireframes and diagrams on shared boards, with real-time collaboration, AI generation and desktop apps. |
Grade F | 31 | 100% | United States Five Eyes | No | No | Yes | Partial | No | No | Yes | No | Not tested yet |
An open-source Java tool that generates UML and other diagrams, such as sequence, class, activity, Gantt and mind maps, from plain-text descriptions. It runs locally or through a public or self-hosted rendering server. |
Grade F | 30 | 100% | – | Yes | No | No | No | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
A collaborative infinite-canvas whiteboard for sketching and diagramming in the browser, with optional accounts for saving and sharing files. It is built on the tldraw SDK, which developers can embed in their own apps. |
Grade F | 29 | 100% | United States Five Eyes | Yes | No | Partial | No | No | No | Not tested yet | No | Not tested yet |
A free desktop diagram editor from yWorks for flowcharts, network diagrams, UML and org charts, known for its automatic layout algorithms. A browser version, yEd Live, is also available. |
Grade F | 25 | 100% | Germany Fourteen Eyes | No | Partial | Partial | No | Not applicable | Not applicable | Not applicable | Not applicable | Not applicable |
Questions
What is the most private option among diagrams and whiteboards?
No pick has been made yet. The table above is sorted by score, based on public evidence.
How are diagrams and whiteboards rated?
Each entry answers 9 questions: open source, no trackers or telemetry, no ads or data sales, independent audit, transparency report, tells users about requests, TLS configuration, security headers and modern web standards. Answers need links to evidence. See the full criteria.
Does jurisdiction matter?
Jurisdiction decides which laws can compel a provider to hand over data. Each entry shows its country and whether it is in the Five, Nine or Fourteen Eyes. The data a provider can hand over depends mostly on what it stores and who holds the keys. Read about jurisdictions and the CLOUD Act.