The best free alternative to UXPin is Pencil Project, which is also Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to UXPin and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to UXPin are Lucidchart, Napkins.dev, Frame0 and Wireflow.
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.
An open source wireframe to app tool powered by Llama 3.2 vision. Upload a screenshot of a simple site/design & get code.
Sketch your app ideas without stress Make hand-drawn style wireframes quickly and easily.
Feature-rich, open-source Wireflow offers a collaborative platform for online creation of complex user flow prototypes. Ideal for team work in UI design, wireframing, and mind mapping, promoting idea sharing in real-time environment aided by modern whiteboard features.
A streamlined web app that helps you create and collaborate in real-time on wireframes, mockups, diagrams and prototypes.
Presentator is a free web application that allows you to present your designs in an easy, organized and interactive way.
A collaborative design tool offering wireframing, prototyping, and design specs creation in a single browser-based platform. Integrate seamlessly with your workflow via API, sync with Sketch and Photoshop, and utilize a vast library of assets. Streamline design-to-dev with automated code generation.
Quant-UX is an integrated Prototyping and Analytics software. It allows you to design, test and analyze interaction prototypes.
Studio.Design is the site builder for designers. The browser app is packed with design features as intuitive as Figma, a CMS as simple as Notion, and one-click publishing to your domain. Now, you can finally turn any idea into a stunning website quickly and easily.
Diagramo is an online flowchart software
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