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Diagramming & Docs🟡Low Code
M

Mermaid Chart

Mermaid Chart is the commercial collaborative diagram editor from the team behind the popular open-source Mermaid diagramming library, adding AI-assisted diagram generation, real-time collaboration, version history, and team workspaces to the diagram-as-code workflow loved by engineers.

Starting at$0
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In Plain English

Mermaid Chart is the commercial collaborative diagram editor from the team behind the popular open-source Mermaid diagramming library, adding AI-assisted diagram generation, real-time collaboration, version history, and team workspaces to the diagram-as-code workflow loved by engineers.

OverviewFeaturesPricingFAQ

Overview

Mermaid Chart is the commercial collaborative diagram editor from the team behind the popular open-source Mermaid diagramming library, adding AI-assisted diagram generation, real-time collaboration, version history, and team workspaces to the diagram-as-code workflow loved by engineers.

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Key Features

Feature information is available on the official website.

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Pricing Plans

Free

$0

    Pro

    Monthly subscription

      Team / Enterprise

      Per-seat / custom

        See Full Pricing →Free vs Paid →Is it worth it? →

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        Pros & Cons

        ✓ Pros

        • ✓Text-based diagram format is durable, diffable, and checks cleanly into Git
        • ✓Direct authorship from the upstream Mermaid maintainer means new syntax lands here first
        • ✓AI generation handles the most common diagram types (sequence, flow, C4) reliably
        • ✓Embeddable viewer keeps live diagrams in docs without exporting stale PNGs
        • ✓No proprietary file format — exports back to the same Mermaid syntax open source uses

        ✗ Cons

        • ✗Visual editor is less polished than Figma-class tools for free-form whiteboarding
        • ✗AI generation quality drops on niche diagram types like packet or sankey
        • ✗Confluence and Jira integration depth lags incumbent diagram tools
        • ✗On-prem deployment is enterprise-only and adds meaningful cost
        • ✗Per-seat pricing on Team plans gets expensive for occasional contributors

        Frequently Asked Questions

        How much does Mermaid Chart cost?+

        Mermaid Chart pricing starts at $0. They offer 3 pricing tiers.
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        Quick Info

        Category

        Diagramming & Docs

        Website

        mermaidchart.com
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