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Line9

Renders Mermaid flowchart source into compact, readable layouts through its own layout engine, viewable in a browser or from the terminal.

CLIFor developersFree tier
line9.ai ↗
At a glanceswept 2026-10-12

≈ 1visits/mo

Little sign of use · estimate, read 2026-10-12

For
developers and teams who write mermaid diagrams and want them easier to read
Price
Free plan · From $12/user/mopricing page, read 2026-10-13 ↗
Activity
Actively maintainedsite updated 2 weeks ago
Company
Moverve Limited · Domain since 2026privacy policy · domain registered
Runs as
CLI
AlternativesSet it up for my teamIs Line9 yours? Claim the card →
What people do with itread off line9.ai on 2026-10-13
  • render existing mermaid source in a more readable layout
  • view and share flowcharts without manual dragging
  • export diagrams to SVG or PNG for documents
The companyeach fact with its source · read 2026-10-13
  • Domain since2026domain registered
Your datawhat they publish, each line with its page · read 2026-10-13

These are Line9's own statements, read from its pages. We did not audit them. A line that is missing was not found on the pages we read; it does not mean the practice is absent.

How a program reaches itfound, not claimed · read 2026-10-13
  • MCP serverai.line9/diagramsverified in the MCP registry
  • Stateanswers, 3 toolschecked 2026-10-13
  • Address to connectmcp.line9.ai/mcp
  • MCP docsline9.ai/mcpthe vendor's page ↗

MCP server details →

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.

Questions this page answers
  • What is Line9?

    Renders Mermaid flowchart source into compact, readable layouts through its own layout engine, viewable in a browser or from the terminal.

  • Who is Line9 for?

    developers and teams who write mermaid diagrams and want them easier to read

  • How much does Line9 cost?

    Line9 has a free plan; paid plans start at $12/user/mo, per its pricing page on 2026-10-13.

  • Is Line9 free?

    Yes, Line9 has a free plan, per its pricing page on 2026-10-13.

  • Do people use Line9?

    Little sign of use: ≈ 1 visits/mo · estimate, 2026-10.

  • Is Line9 still maintained?

    Actively maintained: site updated 2 weeks ago.

  • Who owns Line9?

    Line9 is run by Moverve Limited, per its privacy policy (2026-10-13).

  • Is Line9 safe?

    We do not audit vendors. What Line9 publishes, read 2026-10-13: GDPR stated on its privacy policy.

  • How do I cancel Line9?

    In its own words (terms of service, 2026-10-13): “You may cancel from the portal at any time; cancellation takes effect at the end of the current paid period.”

Not quite it? Describe the job

beta

Five tools from the Atlas that fit it, each judged against what you wrote.

How we read a tool

No votes, no reviews, no vendor claims. Every week a crawler reads each tool's own site and a few public registries, and the words on the card are bands over what it read.

  • Use: visits to the site (estimated), installs from npm and PyPI, presence in Chrome's usage report.
  • Activity: the newest release on GitHub, npm or PyPI; the newest dated page on the site; open roles on a public jobs board.
  • Price: the vendor's own pricing page, read with the date. A figure is printed only when it is on that page.
  • The line and the use cases are written by us from the homepage, one tool at a time, and refused when they repeat the vendor's marketing.

How AI assistants read each site — the reading vendors ask us about — is on each tool's own visibility page.