Open source users who need to create a diagram will usually use Dia. Dia is a desktop-based open source diagram software that you can use to create any kind of diagram. From UML, flowchart to network diagram. However, as you have probably known, open source is the world full of options. In addition to Dia, there are other diagram software that you can use to create diagram.
Basically, creating a diagram is the same thing as drawing. Software like Inkscape and LibreOffice Draw can also be used to create diagram. It’s just, you will need more times to get your diagram done since you have to start from a big zero. From creating shapes, lines and may be symbols.
Diagram software, on the other hand, is packaged with sets of ready-to-use shapes and other needed elements you need on diagram. If you are an open source user and is looking for an appropriate software to create diagram, try one of following software.
1. Dia
As I mentioned above, Dia is one of the most popular open source diagram software. I pretty believe that this software tends to popular in the Linux users scope instead of Windows or Mac. Whereas, Dia is a cross-platform software. Dia is originally created by Alexander Larsson. Recently, its development is handled by a community called Dia developers. You can use this open source diagram software to create nearly any kind of diagram from UML, flowchart to network diagrams. There are several shape packages available for those needs. Dia is actually also compatible with Visio, but you need to install additional add-on to open Visio files.
Diagram you are creating with Dia can be exported directly into portable formats like PNG or JPG. Additionally, you can also export it into other formats including SVG, EPS and even VDX. Dia itself is written in C and released under the GNU General Public License.
2. Draw.io
Unified Modeling Language (UML) is a standardized modeling language which enables developers to specify, visualize, construct and document artifacts of a software system. And UML diagrams represent static and dynamic views of a system model. Microsoft Visio is a leading program for creating UML diagrams.
If you want to create a diagram but don’t want to be hassle installing new app then Draw.io is a nice choice. Draw.io is a reliable online diagramming tool you can use to create a wide range of diagrams. This software also features several shape packages. Additionally, you are also allowed to add your own element which you can upload from your local storage. Draw.io is also compatible with Visio. Soon, you will be able to export your diagram into VSDX format in case you are working with someone who use Visio.
The advantage of Draw.io is that it can be integrated with several online services like Dropbox, Google Drive, GitHub and even Trello. Draw.io uses the mxGraph library as the base of the stack. This software is licensed under the Apache v2. You can get the source code of this tool on GitHub. In addition to web, Draw.io also offers desktop app which is available for Linux, Windows and macOS.
3. Calligra Flow
Formerly known as Kivio, Calligra Flow is an open source diagram software part of Calligra Suite. In several Linux distributions you can install Calligra Flow as a standalone app. The development of Calligra Flow is currently handled by KDE. Calligra Suite is also reliable enough to create some types of diagram. It also features several shape packages you can can instantly use when creating diagram. Unlike Dia and Draw.io, Calligra isn’t compatible with Visio (or may be not yet).
4. Diagramo
Diagramo is a HTML5-based open source diagram software. You can only use this tool via web browser since Diagramo doesn’t offer desktop version like Draw.io. To be honest, Driagamo need much improvements here and there. This tool is far from perfect. It’s very basic. But, if you want to give it a try then there is no bad with it. Who knows you are a programmer and able to take Diagramo to the next step. There is not much information about this software. But, you can refer to its official site as well as its GitHub page get to know more.
5. Modelio
If you are looking for an open source software to create UML diagram then Modelio can be one of the best options. It is an open source UML tool developed by Modeliosoft. Modelio supports UML2 and BPMN standards. As a user, you can extend Modelio functionalities and services through the available modules. The core of Modelio is released under the GNU General Public License, while the modules are licensed under the Apache License 2.0. Modelio is available for Linux, Windows and macOS.
6. ArgoUML
ArgoUML is an open source UML modeling tool and includes support for all standard UML 1.4 diagrams. ArgoUML is a Java-based software so be sure you have Java installed on your machine to run it. This software is distributed under the Eclipse Public License 1.0. The interface of ArgoUML is quite simple.
More specifically, ArgoUML is aimed at open source users who want to create behavioral UML diagrams. Be it activity diagram, use case diagram or sequence diagram. The image above is a screenshot of ArgoUML running on Ubuntu 16.04.
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Unified Modeling Language (UML) is a standardized modeling language which enables developers to specify, visualize, construct and document artifacts of a software system. And UML diagrams represent static and dynamic views of a system model. Microsoft Visio is a leading program for creating UML diagrams. Nobody will deny the power of Visio but everybody will admit the expensive price makes Visio suitable only for big businesses. Thus many small businesses and individual users are looking for best Visio alternatives for UML diagram with affordable price.
Edraw Max UML Diagram Editor
Edraw can be used as a solid Visio alternative for creating UML diagrams, which is available for Windows, Mac OS X, Linux and it’s proved to be the most cost-effective Visio replacement. Easily start your UML diagram with various pre-made templates, or just drag and drop thousands of standard UML symbols to begin creating. Customize the contents you need, and add hyperlinks, notes, or attachments to make the UML diagram more resourceful and attractive if necessary. Edraw makes UML diagram creating become interesting and can be finished within seconds. And it supports to export diagrams to many formats, such as Word, Excel, PPT, PowerPoint, SVG, JPG, Html and even Visio.
SmartDraw
Examples For Uml Diagrams
SmartDraw is a fast, easy to use UML diagram program and it can work on many devices, such as Windows, Mac, Android, and iOS. It also has many UML diagram templates for choosing, such as class diagrams, use case diagrams, activity diagrams and so on. It enables users to finish a UML diagram within several steps. Users just need to begin with the exact UML diagram template they need, add symbols and information, then SmartDraw UML diagram program will help them finish the rest, aligning and spacing shapes appropriately and choosing a proper theme for it.
Creately
Creately is a collaborative diagramming application built for project teams. It supports to draw UML diagrams online and offline. Web one enables users to starting creating without installing anything while desktop one can work without internet. Users can choose the one fits them better to begin drawing. Its extensive UML diagram symbols and hundreds of templates make UML diagram drawing fast and productive. One of its special features is that users are able to share and collaborate with others in real-time. And diagrams can be exported as images or pdf files after finishing.
Lucidchart
Lucidchart is a clean and efficient program to create free online UML diagrams. Its polished interface and smart drag-and-drop editor make UML diagram drawing as easy as a pie. Just drag shapes from right libraries and drop on the drawing page, insert text, and quickly draw lines with just a click. The diagram is created effortless and it can be exported as a Visio file if necessary. Lucidchart also enables users to come together online, work and share in real-time without a single download or system update.
Gliffy
Uml Diagram Tool Download
Gliffy is a web-based UML diagram creator. It is available for all modern browsers and has a drag-and-drop interface. It does not need to install anything and require no drawing skill. Users can just start with built-in templates and drag-and-drop symbols to create their diagrams within several mouse clicks. After that, diagrams can be shared and edited by colleagues, friends, even bosses as long as they have the Internet connection.
Conclusion
Uml Diagrams Software
Above are online and offline diagramming software which you can use if there is any need to create UML diagrams. All of them work pretty well as Visio alternatives for UML diagram creating. Pls kindly let us know if you also have any good software for drawing UML diagrams! After all, knowledge gets refined when it is shared.