It is a standard which is mainly used for creating object-oriented, meaningful documentation models for any software system present in the real world. There are many tools available in the market for designing UML diagrams. Following is a curated list of Top 28 handpicked UML tools with popular features and latest download links. This comparison list contains open source as well as commercial tools. Adobe Spark is a flowchart software that helps you design customized and streamlined flowcharts.
It also allows you to save and share your flowchart diagrams. Edraw Max is a UML builder software that helps you to make diagrams using ready-made symbols and templates. Moqups is online tool that enables you to make flowchart, and UML diagrams with minimal effort.
It allows you to drag and drop shapes to visualize any flow. Microsoft Visio is a popular chart and visualization software. It belongs to office family so it can easily be integrated with other Microsoft office products.
It is one of the best UML modeling tools that allows you to create a simple flowchart to complex technical diagrams. These UML solutions offer business-specific add-ons which offer an extensive variety of workflow requirements. It is one of the best UML software that provides eleven types of diagram. Umbrello is a UML modeling tool.
It runs under KDE and Linux. UML is a flexible, universal visual modeling language. UML creates a standard form to visualize systems. UML gives development teams a powerful set of tools to create many types of diagrams. These fall into two major groups: structure diagrams and behavior diagrams. Structure diagrams show the static, architectural parts of a system. Behavioral diagrams show the dynamic parts of a system, or how the system reacts to input.
Inside the two categories we have many types of diagrams:. As you see, UML provides developers with many types of diagrams to map out their projects. UML works perfectly to chart out large enterprise applications. UML allows teams to visualize projects that scale easily. Good architecture will never go out of style, this is why UML is still relevant nearly 25 years after its inception. A common misunderstanding is that UML is about creating diagrams. Sure, diagrams are important, but really you are creating a model.
Note: The listed answers are my view as the best even if other products support a given feature or need. Ok, that was way too detailed, so a simpler example would be ArgoUML , which has no code generation features and focuses on drawing more than the modeling aspect of UML.
Watch out for closed or product specific code generation processes or frameworks as you could end up stuck with that product. This is a straight brain dump so a couple details may not be perfect, however, this should provide a general map to the questions and solutions to looking into.
For sequence diagrams, only, try websequencediagrams. It's a freemium free for the basic tasks, paid for advanced features product, and lets you quickly bang out a diagram without any fussing around with lines and stencils. For me it's Enterprise Architect from Sparx Systems. A very rounded UML tool for a very reasonable price.
I would also stay away from Visio - you only get diagrams, not a model. Rename a class in one place in a UML modelling tool and you rename in all places. This is not the case in Visio! As I usually use UML more as a communication tool rather than a modeling tool I sometimes have the need to flex the language a bit, which makes the strict modeling tools quite unwieldy.
Also, they tend to have a large overhead for the occasional drawing. This also means I don't give tools that handle round-trip modeling well any bonus points. With this in mind It could be that I have grown used to it as it is the primary diagramming tool at my current assignment.
OmniGraffle also has some UML stencils built in and more are available at Graffletopia , but I wouldn't recommend that as a diagramming tool as it has too many quirks quirks that are good for many things, but not UML. Free trial though, so by all means I've been trying out MagicDraw a bit, but while functional, I found the user interface distracting.
Otherwise i find the Topcased an interesting project or group of projects. Last I used it it still had some bugs, but it worked, and seems to have evolved nicely since. Works great on any Eclipse-enabled platform. Free as in speech and beer :.
As for the diagramming tool Dia , it's quite ugly interface and resulting drawings , but it does get the job done. An interesting modeling tool free alternative is Umbrello , but I haven't really used it much.
I definitely agree with mashi that whiteboards are great together with a digital camera or cellphone. Probably some of the nicest tools I've used belong to the Rational family of tools. You may be looking for an automated tool that will automatically generate a lot of stuff for you. But here's a free, generally powerful diagramming tool useful not only for UML but for all kinds of diagramming tasks.
It accepts as input and outputs to a wide variety of commonly used file formats. It's called yEd, and it's worth a look. For Agile modeling there's also Agilian which is a bit more flexible, adds extra features to support smartboards and knows mind-mapping as well. The thing I like most about their products is the flexibility. I'm using Enterprise Architect at work nowadays but I think it's not smart enough. I want to be able to quick-brainstorm some sequence diagrams and have the application keep my model up-to-date in the background, something VPUML does a very good job at.
The releases prior to version 4. BOUML 5 and later is proprietary software. I've used it to some pretty great success in the past.
It ranks high on the usability scale because of its intuitive syntax for the various diagrams and diagram components. Dia is a possible choice. It's definitely not the best tool, but it is functional. Enterprise Architect from Sparx systems is the best tool I've used.
I will add UMLet which I haven't tried yet, but have been selected at my office to start doing diagrams. Looks simple, diagrams aren't sexy, but it seems quite complete with regard to the kind of diagrams you can do. Seems to have good export capabilities too important! I haven't been able to find a top-notch free UML diagramming tool, but if you're interested in pure diagramming, as opposed to round-trip-engineering, I'd go with Microsoft Visio.
If you want full round-trip engineering, Rational Rose. This list of UML tools on Wikipedia might also come in handy. Before you can use Gliffy, sign in with your email address or a Google, Microsoft, or Facebook account. After the free trial period of 14 days, it can only continue to be used for free with limited functionality.
However, you can upgrade to a premium account with a monthly subscription. Gliffy has a large, well-assorted shape library. At the beginning, an orientation window allows you to define your desired modeling language. If you select groups, the corresponding tools are highlighted in the menu bar. Grid and guidelines allow you to place diagram elements precisely where you want them. The theme tool should determine the color family for the diagram but is limited to the arrow elements in the test.
By clicking on classes, components, and the like, you can still quickly adjust the color and font of the symbols. You can also create different layers in no time by clicking on the corresponding menu item far right in the tool bar. In addition, you do not have to plan the diagram construction step by step in advance. You can simply undo errors with the delete function.
If you want to insert an element, Gliffy detects the change and suggests appropriate insert options. Save a document in this format, share it easily with others via a download link, or embed it on various platforms such as HipChat, Slack, Confluence, or WordPress. A free account also provides 2 MB of cloud space for your diagrams and allows you to share five models publicly at the same time. An enterprise account is required for significantly more performance.
For such high demands, however, there is better software. MagicDraw von No Magic is the first comprehensive full version for professional modeling in this list. A modern design and a clean layout set this desktop app apart from the rest as a proprietary software for high demands.
The range of functions and user-friendliness confirm this. MagicDraw also offers OCL , the boundary condition notation, and XMI , which you can use to export diagrams to other programs without any loss. MagicDraw offers five editions from Reader to Enterprise that differ in both functionality and cost.
In our test, we took a closer look at the Enterprise edition because it not only offers all the features and plugins for effective modeling, but also enables full integration into an integrated development environment such as Eclipse Workbench. Code generation , reverse engineering and round-trip engineering are also possible. Already at the first start of the UML diagram tool, the clear division proves to be a big plus. Add as many tabs as you consider necessary for your workflow.
Despite its many functions and edition options, MagicDraw provides a clear layout and unobtrusive short explanations, so that even inexperienced users can quickly put together their first drafts without much familiarization time.
If you drag an element onto the worksheet and click it once, small buttons appear. Click on these or right-click on the element to edit the object properties, add text, or hyperlinks. The personalization toolbar above the worksheet always highlights the tools you can use to graphically customize one or more selected items.
The layout tool brings order to unstructured drafts. With the zoom and perspective panel, you have your project completely in view — from small details to the whole image. The UML program also checks your project for errors and displays them.
For independent analysis, you have the option of comparing different versions of a diagram next to each other and checking different levels of abstraction for traceability. Architects particularly appreciate the free text input for creating diagrams, as it favors a smooth workflow.
Lucidchart is a UML tool that you can access at any time in your browser. The free account gives you a well-filled UML toolbox. It also enables team sharing and simultaneous editing of diagrams and integrates comments directly in the tool. If you already use another teamwork software, look at the list of integrations. Lucidchart can be plugged in to Google and Microsoft applications, Atlassian products, chat apps, and Amazon web services.
If you want to try out the UML tool for free, create a free no-obligation account, or use the equally free test phase of the premium accounts. With the latter, you can edit an unlimited number of documents as opposed to just three , allowing you to export charts, integrate third-party vendors, and work with more professional forms. In the free account , you have the following UML diagram templates:.
If you want to design complex diagrams with more than 60 objects, you need a premium account. The same applies if you are working on more than three active documents at the same time. You can also import data and diagrams with the free account.
If you want to edit native formats of other providers, however, you will again need a paid account. It also allows you to back up and restore your data. But how efficient is Lucidchart to work with? The user interface is characterized by a clear layout and plenty of space to work. The menu pops up from the right when you need it and disappears as a narrow toolbar until you need it.
With one click, you can change the page settings, create layers, and presentations, or exchange information with teammates. You will find the templates in the bar to the left of the workspace.
You can customize its content and size by adding templates and using the mouse to drag the width of the bar to how you want it. The horizontal toolbar shows the tools you need each time you want to drag a shape or line onto the work area. You can easily adjust the size and orientation by clicking on the shape. If you hover over a shape with the mouse, small red circles will appear. You can add arrows and lines at these points. Use the grid and automated guides to easily draw neat diagrams.
Some developers prefer to write input commands instead, building their UML diagram. The tool offers the UML markup function so you can do this. The team edition allows you to customize user roles and protect your documents through single sign-on authentication. Lucidchart cloud storage also encrypts your data.
Every time you share a document, you decide who can edit, comment, or just read it. Rhapsody was passed on many times after its development in As one of the first graphical development environments , Rational Rhapsody, spread in a short time. International brands use the software for large projects that require detailed version differentiation for numerous team members in different countries.
Jaguar Land Rover, for example, uses Rational Rhapsody to adapt the software to its infotainment offer to different markets.
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