How to Draw Software Architecture Diagram Free Online?

In minutes, you can create a professional-looking draw software architecture or infrastructure diagram. The creation of an application diagram is one of the most important tasks for IT project leaders or architects. It could be a draw software architecture design, an application flow, or an infrastructure diagram.

One of the most widely used diagramming programs is Microsoft Visio. It does, however, cost money, which may not be in the best interests of small businesses or startups. You can create a layout using the following online tools or draw software architecture without having to install any software.

This is where diagrams of draw software architecture come in handy. They provide a visual overview for the entire development team, making it easier to communicate ideas and key concepts in terms that everyone can understand.

Let’s look at the various types of architectural diagrams and what they’re used for. To encourage team participation and collaboration, learn how to draw software architecture diagrams.

Are you ready to go on an adventure?

Top 10 Best Draw Software Architecture

We have compiled the list of best tools to draw software architecture diagrams easily in 2021, take a look please.


Lucidcharts diagram example of Kubernetes deployment

Lucidchart has a number of technology-focused tool to draw software architecture diagram options in its library, in addition to mind mapping and other non-technical architecture designs. A quick search will turn up everything from database diagramming in UML notation to Kubernetes deployments using GCP cloud architecture, such as the one shown above.

In a freemium model, Lucidchart provides a particularly smooth diagramming experience. Take a tour to see all of the possibilities. You’re done once you’ve chosen the file type you want. You can see how simple it is, and the best part is that it is completely free!

Visual Paradigm


Visual Paradigm makes it a lot easier to create and maintain diagrams with its simple diagram editor and central workspace. Because it’s so good at keeping things organized, you’ll be able to increase your productivity and accomplish more in less time. You can collaborate with your coworkers and work on projects all in one place.

Start from scratch or choose from a number of ready-made templates. You also get over 2,000 diagram examples, which can come in handy when you’re stuck for ideas. You can get this tool for free if you are using it for a non-profit organization. Otherwise, it’s only $4 per month per user to get started.

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Terrastruct is a tool to draw software architecture diagram. Unlike other diagramming tools, Terrastruct allows you to express the complexity of your software designs through dynamic images. You can layer your diagram according to the level of abstraction and create scenarios to describe each edge case.

Features of Terrastruct 

  • Diagrams with multiple dimensions
  • Layout by itself
  • Github’s README is transformed into a diagram presentation thanks to a one-of-a-kind integration.
  • Collaboration in real time
  • A massive icon set dedicated to software diagrams.
  • Diagrams that are password protected
  • Shared templates and image uploads are examples of team features.



Gliffy is a fantastic drawing tool that allows you to create a variety of diagrams, including Flow Charts, Organization Charts, Venn Diagrams, Wireframes, Mindmaps, and Network Diagrams.’s user interface is similar. However, I notice that there are more coloured shapes, which is both practical and appealing.

  • Go to for more information.
  • “START DRAWING” should be selected.

Drag and drop the required shapes from the left navigation, and then save the file to your desktop in PNG, JPG, SVG, or Gliffy format.

Edraw Max

draw software architecture

Edraw Max, which is used by companies such as Samsung, Dell, and IBM, can help you create visual presentations in minutes. Simply select a visualisation element and enter your data using spreadsheets or the sidebar. You can then share it on social media or incorporate it into your documents, slides, or website.

They have over 1,000 templates in various categories, including:

  • Timeline Flowchart
  • Graphique
  • The Brochure
  • Visualization of networks
  • Plan of the interior
  • Strategy for engineering

It has all of the features you’ll need to deliver your message visually.


Omnigraffle diagrams editor interface including icons and menu

I’d be remiss if I didn’t mention Omnigraffle is a tool to draw software architecture diagram for many Mac users. Since its release in 2001, it has provided architecture diagramming software that looks and feels native to the operating systems and has taken design seriously. Because it is a macOS-only purchase, adoption may be limited, but it is a popular architectural diagramming software.



Another flexible online tool for creating UI Mockups, Mind Maps, Flowcharts, and UML is ProcessOn.



Creately offers a free account that allows you to create one project and five diagrams. Draw a flowchart, organizational chart, wireframe, network diagram, infographics, and more with Creately. It’s completely drag-and-drop, making it simple to create an infrastructure diagram or flowchart.

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draw software architecture

Using Coggle, collaborate with your team to create a flowchart and mind maps. The following are some of the characteristics:

  • Create a diagram with multiple starting points.
  • Customize your images.
  • Text or an image can be annotated.
  • There are a lot of different shapes and design elements to choose from.
  • You can save your diagrams as PDF or image files once you’re satisfied with them.
  • You can also save your work or Visio files.



It’s primarily a mind mapping tool, as the name implies. Mindmeister has been used by over 10 million people for brainstorming, project planning, knowledge management, idea management, note taking, and other tasks.

yED live


A variety of samples are available to help you get started with drawing a diagram. The yED live editing platform is quick and free of distractions.

Features of yED live:

  • Include your brand’s colour scheme.
  • Personalize your data
  • Please share this with others.
  • Graph structure grouping in the UML diagram editor
  • A desktop version of yED is also available.


draw software architecture

SmartDraw, with its tens of thousands of templates, tools, and symbols, should be on your radar.

You can make a huge number of elements, such as:

  • Floor plans, flowcharts
  • Diagrams of networks
  • Diagrams
  • Diagrams of CAD
  • skeleton
  • And a whole lot more.

It works seamlessly with third-party applications such as Microsoft Office, GSuite, and Trello. Additionally, Visio files and stencils can be imported, exported, and modified. Overall, it’s effective and simple to use. SmartDraw can be downloaded to your computer or used online from any device.


I hope the above tools to draw software architecture or assist you in creating and visualising your flow and process in a pleasing manner. If you’re new to enterprise architecture, TOGAF might be of interest to you. Whether you’re a cloud, storage, or application architect, images are how you communicate your ideas and vision.

Multiple perspectives of the complex reality of IT infrastructure are reflected in these tools to draw software architecture of complex systems. All of the tools on this list will help you get started creating images that tell the storey of your system’s architecture.

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