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OpenCharts vs Notion

How OpenCharts compares to Notion — all-in-one workspace for notes and docs.

CompareBy OpenCharts TeamPublished

OpenCharts is a free, AI-native workspace that ships native flowcharts, whiteboards, notes, and AI-built presentations side-by-side. Notion is great for docs and databases but relies on third-party embeds for diagrams. OpenCharts gives you real, editable flowcharts from a PDF or prompt in seconds, plus a public MCP server external AI agents can drive — with unlimited real-time collaborators on the free plan.

Choose OpenCharts when…

  • You want native flowcharts, whiteboards, and AI presentations alongside your notes — not embeds.
  • You want AI to turn a PDF or prompt into an editable diagram, not a static image.
  • You need diagram-aware real-time multiplayer (live cursors on nodes, node locking, comment threads).
  • You'd like an MCP server external AI agents can drive.

Choose Notion when…

  • Your primary need is docs, wikis, and databases with light embeds.
  • Your team's source of truth already lives in Notion and you don't need diagram-native features.
  • You depend on Notion's specific database relations and views.

Feature comparison

Feature
OpenCharts
Notion
Native flowcharts (editable)
Yes — 20+ node types
No (Lucid/Miro embeds only)
Native whiteboard
Yes
No
Rich notes editor with inline AI
Yes
Yes — Notion AI
AI presentations
Yes (deck builder + PPTX export)
No native presentations
AI flowchart from PDF / prompt
Yes
No
Free real-time collaborators
Unlimited
Limited on free plan; gated by team plan
Public MCP server for AI agents
Yes (19 tools)
Notion API exists but no MCP server
Export PPTX / PDF / SVG / DOCX
All free
Notion exports as PDF/HTML/Markdown

Pricing snapshot

OpenCharts is free forever; paid tiers raise AI credit limits. Notion has a free personal plan but charges per seat ($10–18/user/month) for team workspaces, and Notion AI is an additional add-on.

Migrating from Notion

Paste any Notion page into an OpenCharts Notes project — formatting transfers via Markdown. For embedded Lucid/Miro diagrams, export the source as PDF/PNG and drop into OpenCharts; Theo rebuilds the structure into native nodes and edges.

Frequently asked questions

Is OpenCharts a Notion alternative?

OpenCharts complements Notion. If your primary need is wikis and databases, stay on Notion. If you need real diagrams, whiteboards, AI flowchart extraction, and AI presentations alongside notes, OpenCharts gives you all of that natively in one free workspace.

Can I import my Notion pages?

Yes. Export from Notion as Markdown, drop into an OpenCharts Notes project, and the formatting transfers. You can then ask Theo to convert any section into a flowchart, whiteboard, or slide deck.

Does OpenCharts have AI like Notion AI?

Yes — Theo. Theo runs in the Notes editor for inline rewrites, summaries, and translations (⌘J), in the chat surface for project generation, and across 11 modes (Fast, Think, Research, Code, Voice, Consensus, Image, Video, Social/Calendar, Learn, Explore).

Are flowcharts editable, or just embedded images?

Editable. OpenCharts flowcharts are real React Flow canvases with 20+ node types, decision branches, auto-layout, and full export to PNG/SVG/PDF/PPTX. Unlike Notion's third-party embeds, you can edit and collaborate on them directly.

Can my whole team collaborate?

Yes. Free real-time multiplayer with unlimited collaborators, live cursors, threaded comments, and one-click share links is included on every plan.

Try OpenCharts free

No credit card required. Free real-time collaboration, AI flowchart generation, and full export on every plan.

Start creating freeSee AI flowcharts