# Dia Diagram Editor Reviews 2026. Verified Reviews, Pros & Cons | Capterra

> Is Dia Diagram Editor the right Diagram solution for you? Explore 28 verified user reviews from people in industries like yours to make a confident choice.

Source: https://www.capterra.com/p/158555/Dia/reviews

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Dia Diagram Editor

4.2 (28)

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Last updated November 6th, 2025

# Reviews of Dia Diagram Editor

Ease of use

4.5

Customer Service

3.8

## Pros and Cons in Reviews

Kevin T

Technical WriterE-Learning, 2 - 10 employeesUsed the software for: More than 2 years.

“Almost anyone can produce professional looking diagrams with this tool by simply dragging the stencil shapes onto the canvas and linking them together from simple flowcharts to complex Entity Relationship Diagrams.“

October 31, 2022

## Showing most helpful reviews

Showing 1-25 of 28 Reviews

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Most Helpful

Rating

Company Size

Reviewer's Role

Length of Use

Frequency of Use

Angel V.  
Automotive Electronic Advisor  
  
Used the software for: 2+ years

### "Simple and Versatile, You can build almost any technical diagram that you can need with this app!"

June 19, 2018

3.0

Pros

Multi-platform, You can find this app for Windows, Linux, and MacOS X basically; Support for Mobile devices like Android and IOS what means it's multiarchitecture; There is much official documentation and too much around the web; Ideal for making technical diagrams, It has many libraries, you can find support for Electricity, Electronics, Mechanics, Civil Engineer, Flow diagram, Networking, Thermodynamics, UML and much more what makes it flexible; It's in continuous development and its developers are always waiting for your opinions, so the issues can be fixed quickly; The projects can be saved or export to various formats like "jpg, png, svg, ps, tif, ico, BMP" and much more; In a nutshell: Useful, if you need to deliver a homework or build a quick sketch this app fits you.

Cons

Its interface is too simple and ugly; The final work when it's exported does not have the same quality as the initial sketch; Sometimes it's difficult to connect the lines and objects; To group objects it's difficult; The manual in the app is only in English despite the app can be in another language;

Review Source

VR

Verified Reviewer  
Graphic Designer & Computer Networking  
Graphic Design  
Used the software for: 2+ years

### "Nice for presentation of UML diagram"

June 18, 2018

5.0

Pros

Good user interface and thus user friendly. Easy and fast installation due to its small size. Variety of menus for your needs. Good for representing use cases.

Cons

Dia software is not colourful and appealing to the eye. Its black and white majorly thus looking quite boring with its colours.

Review Source

VR

Verified Reviewer  
Analista de Desarrollo  
  
Used the software for: 2+ years

### "DIA is a graphics editor, simple to use, I could make diagrams, conceptual maps in a very easy way"

May 24, 2018

5.0

At the time, DIA facilitated a lot the analysis of annoying diagrams and diaframes for the analysis and implementation phase of software or database

Pros

1.) DIA gives you the different styles of diagrams and gives you the basic tools for a better style 2.) DIA has a work area where we can easily locate the competitors that we want to

Cons

1.) DIA does not have an evaluator that indicates whether the diagram would be correct or not. 2) DIA should integrate an assistant, there are things that very few people use because they do not know what it is for, there is no online support that allows you to document about it

Review Source

Kevin T.  
Technical Writer  
E-Learning  
Used the software for: 2+ years

### "Using the Dia Diagram Editor"

October 31, 2022

4.0

A while ago I looked for a viable free alternative to Visio and I found Dia. This free cross-platform diagramming tool is incredibly similar to older (pre-ribbon) versions of Visio. Whilst the look and feel of the program is a little dated, it gets the job done. Coming with a plethora of sheets & objects (like stencils in Visio) right out of the box means you can start creating straight off the bat. Almost anyone can produce professional looking diagrams with this tool by simply dragging the stencil shapes onto the canvas and linking them together from simple flowcharts to complex Entity Relationship Diagrams. I have used Dia on and off for a number of years and would not hesitate to recommend this clever little drawing tool.

Pros

The number of sheets & objects available out of the box is impressive.The fact that this package is cross-platform makes it very attractive.

Cons

The look and feel of Dia is slightly dated, but any users of early Visio will feel right at home.

Review Source

VR

Verified Reviewer  
Profesor Universitario  
Program Development  
Used the software for: 2+ years

### "Dia is an excellent software"

August 19, 2018

5.0

my experience with day, is very good, it is easy, practical, light, with export options, really very useful for the layout for the design of any software or application

Pros

mainly what I liked in the day, is its easy use, in addition to its variety of elements for the construction of diagrams, such as E-R diagrams, and especially the variety of ways to express cardinalities for databases

Cons

At my discretion, day does not have any points against, since it fits the needs of the diagrams to eleborate, suddenly it would be good that you could be like an app for mobile, it would be a good option.

Review Source

Nairoby D.  
Consultor  
Telecommunications  
Used the software for: 1-2 years

### "Free diagram editor"

September 7, 2018

3.0

In general, if you work with free software I recommend using Dia for diagrams, especially the relationship entities for which model databases

Pros

\- It's free, open source, multiplatform. - Simple, easy to install and manage - It allows to realize diagrams of networks, electrical, UML, diagrams ER. - Previous versions did not show a menu, currently yes. - With the right button of the mouse according to what you have selected you have additional options.

Cons

\- Does not generate code, except for UML with an additional package. - It does not allow to rotate text in a diagram or I have not found the form. - At the moment of saving a diagram, it does so with an extension .dia the which we will not be able to open in another PC that does not have the SW, without however, this problem is solved by exporting the diagram to the formats it includes.

Review Source

VR

Verified Reviewer  
IP Planning Engineer  
Telecommunications  
Used the software for: 2+ years

### "User Review"

May 17, 2019

5.0

Pros

This drawing application is free to use and has versions for Windows, MacOS and Linux. It can be used to draw different kinds of diagrams from Network diagrams, Civil diagrams, electrical diagrams and many more. The UI is easy to navigate and locating different objects is pretty easy.

Cons

Nearly all objections lack a rotate feature which is vital for coming up with diagrams that depict the exact nature of an implementation or a planned implementation. An object cannot be rotated 10degrees nor 20degrees which is a serious oversight on the developers end.

Review Source

VR

Verified Reviewer  
Sviluppatore  
  
Used the software for: 1-2 years

### "Dia is a great flow chart software"

April 24, 2018

5.0

Pros

DIa is a fast and lightweight app to draw flow diagrams. It has all the needed tools to implement even complex diagrams

Cons

The only downside about Dia is, in my opinion, the old look that it has. The interface looks quite old and not perfectly refined, it should be innovated a bit.

Review Source

VR

Verified Reviewer  
Social Media Coordinator  
Human Resources  
Used the software for: 1-2 years

### "Free and open source"

December 12, 2018

5.0

I have been using this software since from my college days for preparing data flow diagrams for my projects when I was a beginner. There was no difficulty in using this software.

Pros

This is a open source software where anybody can use Good and user-friendly for beginners It contains several number of shape packages for different needs like flowcharts, circuit diagrams etc. It very easy to install as it is small in size.

Cons

From my side I actually don't have any points against since I'm satisfied with the software but I suggest that if it could be any mobile app. The other thing is the platform can be more colorful instead of black and white.

Review Source

AG

Albernes G.  
progamador  
  
Used the software for: 6-12 months

### "If you need to make an outline quickly and without complications of any kind, the best thing you ca"

April 26, 2018

4.0

that I could use to make entity-relationship diagrams, UML diagrams, flow diagrams and network diagrams

Pros

That is a very complete graphics editor and really easy to use. With it we can make schemes, flow diagrams, concept maps, circuits ...

Cons

Because it is free, it puts us in a delicate position that may already have lost the formality and responsibility for the part of the programs to the point of leaving the project and users without alternatives.

Review Source

AH

Ana H.  
professor  
  
Used the software for: 1-2 years

### "A simple solution for when you do not have internet to do some types of diagrams."

June 28, 2018

3.0

It allows me to make diagrams of entity relationship and uml for free without connection to internet.

Pros

It is free and open source. it allows to make diagrams that other tools do not contemplate because they are old like the one of gane and sarson and dfds. it does not need internet to work, it is installed on the PC and it is available for windows, mac and linux, besides it offers the possibility of taking it on a pendrive and use it without installing it. You can export the diagrams in many formats, including some popular ones like bmp. jpg, png and pdf.

Cons

It has an outdated appearance, the diagrams are not the most beautiful visually. when placing the objects in the workspace and trying to connect them, sometimes it does not do it well and when trying to modify the lines they do not take the desired form. missing uml updated elements of the latest versions of the language include the include and extend stereotypes of the dependency relationship.

Review Source

VR

Verified Reviewer  
Progremmatore  
Marketing and Advertising  
Used the software for: 6-12 months

### "Semplice e efficace"

February 18, 2024

4.0

Pros

Programma molto intuitivo e chiaro. Lo uso per i diagrammi UML dei miei progetti e non ho mai avuto problemi. A mio avviso molto utile anche per insegnare agli studenti il funzionamento dei diagrammi di flusso.

Cons

L'unica pecca è personalizzare l'intefacca grafica, molto dispendioso di tempo. Se ci fosse qualche preset già fatto di default tra cui scegliere sarebbe meglio. Es. interfaccia scura.

Review Source

Moris M.  
Colaborador Técnico  
Public Policy  
Used the software for: 1-2 years

### "Dia -- Pasa tus Días diseñando comodamente"

July 30, 2021

5.0

Dia nos ofrece una magnifica forma de abordar los diagramas que necesitemos en nuestras labores ya que es flexible, diverso y facil de usar.

Pros

Dia ofrece soporte para una gran variedad de tipo de diagramas lo que lo hace un gran alido al momento de queres plasmar ideas, procedimientos, gerarquias, entre otros muchas opciones.

Cons

En algunos casos cuando se abre un diagrama que es complejo y con varias refrenecias de lineas es un poco engorroso la manera que ofrece para ordenarlos, es decir se vuelve una maraña trartar de acomodar cada elemento de la mejor forma para visualizarlo bien

Review Source

GP

Graciela P.  
Employee  
Consumer Services  
Used the software for: 6-12 months

### "Dia a great tool for beginners"

July 23, 2022

4.0

I really like the software, the differents tools are so useful.

Pros

When I was starting to create some diagrams, Dia helps me to have a great software to begin and i really like the differents tools, the differents functionalities, this software it's awesome when you are starting.

Cons

I don't like the graphic interface because in a lot of cases it's very old and it's boring to use, this software maybe needs a redesign or new functionalities

Review Source

YM

Yezid M.  
IT and Network Administrator  
  
Used the software for: 2+ years

### "DIA is my simple network diagram tool to represent my platform in my diary job"

April 12, 2018

4.0

Pros

Saying the Pros of this app is very simple, because is a "network diagram dedicated tool" that gives to IT admins the basic to represent their network topology and structure, very very easy to use, and it can be installed on my windows and mac machines. And It's free.

Cons

I enjoy this app because is easy, but I have to say that components pictures are the most basic things I've seen for this kind of apps.

Review Source

VR

Verified Reviewer  
Software Engineer  
  
Used the software for: 6-12 months

### "Very good Diagram software"

May 8, 2018

4.0

Pros

Easy to use when you get use to it, Open Source, Free, You can export Database SQL DDL file through a tool from an Entity-Relationship models.

Cons

Not so fancy interface, it could be great if it can make inverse reverse engineering from a Database SQL file to generate Entity-Relationship model diagram.

Review Source

Gregory M.  
Developer  
  
Used the software for: 6-12 months

### "Excellent diagramming tool"

May 1, 2018

4.0

Pros

It is an easy to learn and very intuitive tool, they can be performed from small to large and complex diagrams.

Cons

It is a very powerful tool, its only detail is that it has a somewhat old user interface, it would be good to update its user interface.

Review Source

ST

Sarah T.  
self-employed  
Computer Software  
Used the software for: 6-12 months

### "Dia for windows"

February 26, 2019

5.0

I compiled Dia for Mac Os X A ready made portfile was available to me. I used HTML and DocBook to compile for my windows.

Pros

It was easy to download and install it works with a prebuilt Virtual Machine that contain all necessary tools, Zip file with Dia Developers

Cons

Nothing I am very satisfied. The price was reasonable

Review Source

Trina V.  
Research And Development Professional  
Government Administration  
Used the software for: 1-2 years

### "Good diagram software for libreoffice users"

January 26, 2019

4.0

Pros

Learning to use it is very easy and intuitive. It has a good library of figures. You can represent all kinds of diagrams

Cons

I use it to make chemical process flow diagrams and I recommend including figures of simple chemical vessels and reactors that are the most used to represent these kind of processes. That would give to my diagrams a more professional look

Review Source

Jean Carlos J.  
Direccion Tecnica de Proyectos  
  
Used the software for: Less than 6 months

### "Dia It has allowed me to make diagrams and graphics quickly and easily."

March 9, 2018

5.0

Pros

What I like most about this program is that with DIA you can create different diagrams: entity-relation, UML, flow chart, network diagram, electrical circuits, and can be exported in various formats pdf, png, jpg among others.

Cons

It is a super light program does not create major inconveniences to install it really I do not find something that I like less is a simple program to use I do not get major disadvantages.

Review Source

CR

Carlos R.  
CEO  
Computer Games  
Used the software for: 1-2 years

### "First option for creating offline diagrams."

February 18, 2020

4.0

Excellent free option to create diagrams offline.

Pros

Open source, supports more than 30 different types of diagrams, such as flowcharts and database. Super light and easy to install. It runs on Windows, Mac OS X and Linux.

Cons

The visual of the graphical interface looks old and the position of the tools is fixed, you can't customize it.

Review Source

AM

Ana M.  
Administrator  
Retail  
Used the software for: 6-12 months

### "Simple diagram designer"

February 27, 2019

4.0

It's a good solution for usual needs to make a new diagram or process flow in office and warehouse documentation.

Pros

Price is perfect. It's near perfect to make a simple and medium difficult diagrams and process flow for everyday manuals and documentation and it's working without problems on old office PCs.

Cons

Interface is very old design. There are not so much options in preferences. Clip-art management must be made better.

Review Source

VR

Verified Reviewer  
Project Manager  
Computer Networking  
Used the software for: 6-12 months

### "Dia"

March 22, 2022

3.0

Pros

This software is a good option to make simple diagrams but not to enhance the complexity

Cons

There features are basics and not clear or easy to use

Review Source

Maria Nelly G.  
Profesional Administrativo  
  
Used the software for: Less than 6 months

### "Allows to create diagrams and conceptual maps in a simple way."

March 22, 2018

4.0

Pros

What I like most is that it is a light program. It works completely on most computers. Does not slow down the machine.

Cons

What I like least is its interface could be a little more eye-catching since it's pretty simple, but it can be improved.

Review Source

María Luisa F.  
Docente contratada  
  
Used the software for: Less than 6 months

### "Excellent program to generate diagrams of various types."

March 15, 2018

4.0

Pros

What I like most is that it is an open sourse program and that the license has no cost or limitations also one of its biggest advantages is that it can be used in multiple platforms.

Review Source

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