Dia

Dia

The Dia Developers
+
+

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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.

About

TopoAI is web-based diagram software for creating and refining structured, editable network, cloud, security, and IT infrastructure topology diagrams. Users can start from written technical requirements, professional templates, sketches, reference images, icon libraries, or a blank canvas. Natural-language instructions and direct canvas tools make it easy to add or remove devices, reconnect paths, update labels, organize zones, and adjust layouts. Built-in and private icon libraries support consistent visual standards, while save, export, share, revisit, and reuse workflows help teams produce proposals, architecture reviews, documentation, implementation plans, and handoff materials.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

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

Audience

Network engineers, network administrators, solutions architects, cloud and security architects, presales engineers, systems administrators, DevOps and SRE teams, MSPs, and system integrators that create or maintain professional infrastructure topology diagrams.

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$5 per month
Free Version
Free Trial

Reviews/Ratings

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

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

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.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

The Dia Developers
Germany
dia-installer.de

Company Information

TopoAI
Founded: 2025
China
www.topoai.cc/

Alternatives

Microsoft Visio

Microsoft Visio

Microsoft

Alternatives

No Alternatives
Flowdia

Flowdia

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ClickCharts

ClickCharts

NCH Software
EdrawMax

EdrawMax

Wondershare
Astah Professional

Astah Professional

Change Vision

Categories

Categories

Diagram Features

Data Import / Export
Drag & Drop
Flowchart
For Developers
Mind Map
Multi-User Collaboration
Organizational Charting
Templates

Integrations

No info available.

Integrations

No info available.
Claim Dia and update features and information
Claim Dia and update features and information
Claim TopoAI and update features and information
Claim TopoAI and update features and information