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Gliffy vs Mermaid

Professional comparison and analysis to help you choose the right software solution for your needs.

Gliffy icon
Gliffy
Mermaid icon
Mermaid

Gliffy vs Mermaid: The Verdict

⚡ Summary:

Gliffy: Gliffy is an online diagram and flowchart software. It allows users to easily create flowcharts, UML diagrams, wireframes, and more. Gliffy has built-in templates, shapes, and connectors to allow for fast diagramming.

Mermaid: Mermaid is an open-source tool that allows you to create diagrams and visualizations using text and code. It is designed to integrate with documentation sites and wikis to add charts and graphs through a simple markdown-inspired script language. The key benefit is the ability to generate complex diagrams that are portable, themeable, and easy to edit programmatically.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Gliffy Mermaid
Sugggest Score — —
Category Office & Productivity Development
Pricing Subscription Open Source

Product Overview

Gliffy
Gliffy

Description: Gliffy is an online diagram and flowchart software. It allows users to easily create flowcharts, UML diagrams, wireframes, and more. Gliffy has built-in templates, shapes, and connectors to allow for fast diagramming.

Type: software

Pricing: Subscription

Mermaid
Mermaid

Description: Mermaid is an open-source tool that allows you to create diagrams and visualizations using text and code. It is designed to integrate with documentation sites and wikis to add charts and graphs through a simple markdown-inspired script language. The key benefit is the ability to generate complex diagrams that are portable, themeable, and easy to edit programmatically.

Type: software

Pricing: Open Source

Key Features Comparison

Gliffy
Gliffy Features
  • Drag-and-drop interface for easy diagramming
  • Various templates for flowcharts, UML diagrams, network diagrams, etc
  • Real-time collaboration for working with teams
  • Import/export options to integrate with other tools
  • Intuitive formatting options for shapes, lines, fonts, etc
  • Automatic layouts and alignment helpers
  • Connectors between shapes with auto-routing
  • Extensive shape library for all diagram types
  • Integrates with platforms like Confluence, Jira, Google Drive
Mermaid
Mermaid Features
  • Diagram creation using text syntax
  • Support for flowcharts, sequence diagrams, Gantt charts, pie charts, etc
  • Integration with documentation sites and wikis
  • Ability to generate SVG, PNG and PDF images
  • Customizable themes
  • JavaScript library that runs in the browser

Pros & Cons Analysis

Gliffy
Gliffy

Pros

  • User-friendly and easy to learn
  • Good variety of templates and shapes
  • Real-time collaboration feature
  • Integrates with many popular platforms
  • Offers both free and paid versions

Cons

  • Can be slow and buggy at times
  • Limited features on free version
  • Formatting options not as extensive as desktop apps
  • No offline access
Mermaid
Mermaid

Pros

  • Simple and intuitive syntax
  • Good documentation and examples
  • Active development community
  • Themes allow extensive customization
  • Diagrams are portable and easy to embed
  • Lightweight and easy to integrate

Cons

  • Limited features compared to desktop diagramming tools
  • Browser support can be inconsistent
  • Complex diagrams can require more intricate syntax
  • Only creates static images, not interactive diagrams

Pricing Comparison

Gliffy
Gliffy
  • Subscription
Mermaid
Mermaid
  • Open Source

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Learn More About Each Product

Gliffy
Gliffy
Reviews, pricing & alternatives →
Mermaid
Mermaid
Reviews, pricing & alternatives →

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