Dia

Dia

The Dia Developers
4.0 out of 5 stars
Mermaid

Mermaid

Mermaid Chart
Dia Mermaid

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Dia:

About

Dia is an open-source diagramming application that allows users to create a wide range of structured diagrams such as flowcharts, network layouts, and UML designs. Compatible with Windows, Linux, and Mac OS X, Dia offers downloadable shape libraries and scripting options. It is licensed under GPLv2 and includes resources like documentation, bug trackers, and community support.
Mermaid:

About

Mermaid is an AI-powered diagramming and visual collaboration platform that enables users to create flowcharts, system architecture diagrams, timelines, and other visualizations using natural language, code, or a graphical editor. The software transforms text prompts, uploaded documents, meeting transcripts, and code snippets into editable diagrams. Its AI assistant supports conversational diagram generation, diagram modifications, and recommendations for selecting appropriate visualization types. Users can create sequence diagrams, Gantt charts, entity relationship diagrams, mind maps, organizational charts, and other technical or business visualizations using Mermaid syntax. The platform provides real-time collaboration, shared workspaces, visual editing tools, diagram presentations, and integrations with developer and productivity applications. Mermaid also supports Model Context Protocol (MCP) integrations, version-controlled diagrams, single sign-on, and more.
Dia:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Mermaid:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Dia:

Audience

Dia is ideal for developers, engineers, and students who need a free, cross-platform solution for creating structured technical diagrams
Mermaid:

Audience

Software developers, system architects, DevOps engineers, data engineers, business analysts, project managers, product managers, technical writers, educators, consultants, designers, and enterprise teams seeking AI-powered diagram generation, software architecture visualization, workflow mapping, technical documentation, and real-time visual collaboration
Dia:

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported
Mermaid:

Support

Phone Support Not Supported
24/7 Live Support Supported
Online Supported
Dia:

API

Offers API Not Supported
Mermaid:

API

Offers API Not Supported
Dia:

Screenshots and Videos

Mermaid:

Screenshots and Videos

Dia:

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported
Mermaid:

Pricing

$6.67 per month
Free Version Supported
Free Trial Supported
Dia:

Reviews/Ratings

Overall 4.0 / 5
ease 5.0 / 5
features 4.0 / 5
design 4.0 / 5
support 5.0 / 5
Mermaid:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Dia:

Pros & Cons from Real Users

Pros

  • Great for making simple diagrams quickly. Free & open-source. Simple layout & easy to use. Multi-platform availability.

Cons

  • Outdated interface. Lacks features to build complex designs.
Dia:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Supported
Mermaid:

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported
Dia:

Company Information

The Dia Developers
Germany
dia-installer.de
Mermaid:

Company Information

Mermaid Chart
United States
mermaid.ai/
Dia:

Alternatives

Microsoft Visio

Microsoft Visio

Microsoft
4.7 out of 5 stars
Mermaid:

Alternatives

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draw.io

JGraph
5.0 out of 5 stars
Dia:
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BEZAPPS
Mermaid:
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Gliffy

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Dia:
ClickCharts

ClickCharts

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Mermaid:
Dia:
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Mermaid:
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Astah Professional

Astah Professional

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Mermaid:
Dia:

Categories

Diagram Supported
Process Mapping Supported
Mermaid:

Categories

Diagram Supported
Flowchart Supported
Gantt Chart Supported
Dia:

Diagram Features

Data Import / Export Not Supported
Drag & Drop Not Supported
Flowchart Supported
For Developers Not Supported
Mind Map Not Supported
Multi-User Collaboration Not Supported
Organizational Charting Supported
Templates Not Supported
Dia:

Integrations

Antalogy Not Supported
ApostropheCMS Not Supported
Atom Not Supported
ChatGPT Not Supported
Discourse Not Supported
DokuWiki Not Supported
Git Not Supported
Inkdrop Not Supported
JavaScript Not Supported
Microsoft Azure Not Supported
Microsoft Word Not Supported
MkDocs Not Supported
NodeBB Not Supported
Redmine Not Supported
Slab Not Supported
Sublime Text Not Supported
TiddlyWiki Not Supported
Tuleap Not Supported
WordPress Not Supported
Writerside Not Supported
Mermaid:

Integrations

Antalogy Supported
ApostropheCMS Supported
Atom Supported
ChatGPT Supported
Discourse Supported
DokuWiki Supported
Git Supported
Inkdrop Supported
JavaScript Supported
Microsoft Azure Supported
Microsoft Word Supported
MkDocs Supported
NodeBB Supported
Redmine Supported
Slab Supported
Sublime Text Supported
TiddlyWiki Supported
Tuleap Supported
WordPress Supported
Writerside Supported
Dia:
Claim Dia and update features and information
Claim Dia and update features and information
Mermaid:
Claim Mermaid and update features and information
Claim Mermaid and update features and information