Top 5 Open Source Wireframe Tools

Peter Martinez updated on 2020-09-25 17:19:49

"What are some resourceful free, open-source wireframe software that I can try to create a layout of my website?"

As I read this query posted on Reddit, I realized that so many people out there looking for open source wireframe software. Since wireframe tools (open source) let us draw a basic layout of our product for free, they are considered extremely helpful. The best part is that you can find an online wireframe tool that is open-source so that you don't have to pay for it. In this post, I'm going to list the top 5 wireframe open source applications that you can easily use to build an overall structure for your products.

The 5 Best Free Open Source Wireframe Tools in 2020

Since wireframing can be a tedious job, you should consider using some reliable open source wireframe software to help you. In this post, I have listed the top 5 tried-and-tested open source wireframe tools that anyone can use.

1. Wondershare Mockitt

Wondershare Mockitt is a popular open-source wireframe software that you can use on your Windows or Mac system. If you want, you can also go to its website and use its online tools to create wireframes, prototypes, mockups, and other designs.

wireframe tools open source
  • You can work on a wireframe of your website or app in low, medium, or high fidelity, as per your requirements.
  • There are several templates designed by professionals that you can use or just import a Sketch project.
  • You will find thousands of elements, illustrations, icons, logos, and other widgets in the tool to create your wireframe in less time.
  • Once the wireframing is done, you can export your design in different formats like HTML, PNG, or SVG.


  • Features to collaborate with your team or share your projects with others
  • A free-to-use web application is also available with extensive compatibility


  • Some enterprise features are reserved for premium users

Runs on: Windows, Mac, and Web


If you have been working in designing for a while, then you must be familiar with too. It is one of the most popular wireframe open source tools out there that can be accessed by visiting its web source.

wireframe open source
  • It provides a blank canvas, letting you drag and drop different design elements from its sidebar.
  • You can select the environment of your app and further edit the elements with its formatting options.
  • Once the wireframe design has been created, you can export it as either PDF or PNG files.
  • Users can only work on one wireframe at a time using this open-source wireframe software.


  • Freely available and lightweight
  • It can run on almost any device easily


  • Fewer features for animations and transitions
  • Only provides low fidelity results

Runs on: Web

3. Pencil Project

Developed by Mozilla, Pencil Project is one of the most popular open-source wireframe tools out there. The application is available for Windows and provides all the basic tools to create different wireframe designs.

open source wireframe software,
  • There are different prototype environments already available for Android and iOS that you can explore in this wireframe open-source tool.
  • Apart from the list of shapes and designs available in the tool, you can also export its open-source library of vectors.
  • After working on your wireframe, you can easily export the file in formats like PDF, SVG, ODT, and PNG.
  • Since it also lets us link multiple pages of our website, you can create wireframes with mid-level fidelity.


  • The entire wireframe open-source tool is available for free
  • Can be integrated with third-party plugins


  • Not available for Windows or web

Runs on: Windows

4. FluidUI

If you are looking for an open-source wireframe software that runs on different platforms, then you can try FluidUI. The application will let you work on stunning designs in seconds without any coding.

open source wireframe software,
  • There are more than 2000 different widgets, tools, and elements in the application that you can use.
  • You will also find dynamic widgets for web linking, interactions, and transitions to create wireframes with high fidelity.
  • Using its web-based dashboard, you can collaborate with your team on a real-time basis.
  • Apart from new designs, you can work on any existing template or export your designs as well.


  • Live preview of your prototypes and wireframes
  • Free testing on mobile


  • The free version only lets us work on a single project (with a maximum of 10 pages)

Runs on: Windows, Mac, and Web

5. Cacoo

If you have just started designing wireframes, then you can also consider using Cacoo. It offers a simplistic interface and is often considered as one of the online wireframe tools open-sources for beginners

  • You can easily work on flowcharts, wireframes, and can even track changes in your project.
  • There are tons of third-party apps and plugins (like Dropbox, Google Drive, AWS, Box, etc.) that you can include in your applications.
  • Even while using its free version, you can collaborate with unlimited users and work on up to 25 pages.
  • You can import Visio designs or use any existing template as it offers 100+ different demos.


  • Several add-ons and options to create dynamic prototypes
  • Pretty easy to use


  • No desktop application available
  • Only Free trial version

Runs on: Web

Now when you know about some of the best free open source wireframe tools, you can easily pick a preferred application. Out of the listed open source wireframe software, I would recommend Wondershare Mockitt. The application is available for free and can be accessed via the web on any device. If you want, you can even download its Windows or Mac application and work on different wireframes, prototypes, and mockups with low and high fidelity.

How to Create Wireframes with Wondershare Mockitt

If you find it hard to create a wireframe in other tools, then you can consider using another application like Wondershare Mockitt. It provides an extremely user-friendly interface and offers a wide range of readily available templates. You can also find several widgets and icons on its interface to create all kinds of prototypes and wireframes in less time.

wireframe open source tool

The application is available on the web and can be downloaded on the desktop as well. You can import Sketch projects directly to it and export your projects in popular formats like PNG, SVG, or HTML. You can simply follow these easy steps to create all kinds of wireframes using it.

Step 1: Select the project type

To start with, you can just go to the web-based solution of Wondershare Mockitt and create a new project. Here, you can enter the details about the environment to create a new wireframe or import an existing template.

wireframe open source tool

You can further select the specific device model to create a wireframe (if you want to get better results).

wireframe open source tool

Step 2: Design your Wireframe

Once your canvas is loaded, you can take the assistance of the inbuilt features to work on your design.

  • Add and edit widgets
    On the sidebar of the interface, you can view all styles of widgets and vectors that you can drag and drop to your canvas.
    wireframe open source tool

    Later, you can just click on any widget and get options to edit it, change its appearance, and do overall customization. To save your time, you can mark any widget for reuse as well.
    wireframe open source tool
  • Link screens and elements
    After making different screens and design elements, you can go to the Widgets option to insert a link. This will let you map out the user journey and link various screens.
    wireframe open source tool
  • Add notes and other elements
    There are provisions to add numerous other elements to your wireframe design as well. For instance, you can just go to its Widgets > Sticky to add notes to your project.
    wireframe open source tool
  • Insert Dynamic Widgets
    If you want to improve the fidelity of your wireframe, then you can also insert dynamic widgets from the sidebar. Apart from transitions and animations, you can also add media content to your project.

Step 3: Preview your Wireframe Design

After making all the edits, you can just go to the Preview option from the top to see how the design would look like to the end-user. In this way, you can make adjustments to your wireframe immediately.

wireframe open source tool

Step 4: Share and Export your Project

That's it! You can now just export your project into different formats or share it with others. By clicking on the “Share” feature from the top, you will get an option to share it via a link or a QR code.

wireframe open source tool

App Wireframe Library in Wondershare Mockitt

Wondershare Mockitt is an online prototyping and wireframing tool that provide rich resources and wireframe templates for UI and UX designers. You can easily design prototypes that illustrate your ideas and enhance your overall experience with Mockitt's "community" and templates. As it's an online platform, you don't need to download anything which means you can easily use it on Windows or Mac, so it's really user-friendly.

app wireframe template

The best part is that you can work together on the same page as a team. Your team members can easily view the changes which you have made in real-time. You can also optimize the collaborative efforts of your design and development teams through Mockitt's browser-based inspection and export tools. After designing, you can download the HTML or send the CSS code to developers.

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