Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Cost / License
- Free
- Open Source (GPL-2.0)
Application types
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- PortableApps.com




wireframe.cc is described as 'A minimal wireframing tool' and is a Wireframing tool. There are more than 10 alternatives to wireframe.cc, not only websites but also apps for a variety of platforms, including Mac, Windows, Linux and SaaS apps. The best wireframe.cc alternative is Pencil Project, which is both free and Open Source. Other great sites and apps similar to wireframe.cc are Sketch, Frame0, Balsamiq Wireframes and Wireflow.
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.




Sketch is a vector-based design tool for Mac with a focus on screen design. It’s used primarily by screen designers who create websites, icons, and user interfaces for desktop and mobile devices. For beginners and industry professionals alike, Sketch’s powerful and easy-to-use...




Sketch your app ideas without stress Make hand-drawn style wireframes quickly and easily.




Low-fidelity UI wireframing tool simulating sketching experience, optimized for speed with Quick Add, built for collaboration, drag-n-drop simplicity, exportable wireframes to PNG/PDF, interactive prototypes via linking, hundreds of UI components, reusable symbols, and more.




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.





Mokkup.ai is a product that simplifies the dashboard design process. Our tool helps users create dashboard wireframes before building in Power BI, Tableau or other data visualization tools.



MockFlow accelerates early-stage product design and ideation with AI-powered wireframing, prototyping, and visual brainstorming. WireframePro and IdeaBoard enable teams to collaboratively transform initial concepts into professional, shareable wireframes and diagrams.




HotGloo is a UX, wireframe and prototyping tool designed to build wireframes for web, mobile and wearables. Create and share fully interactive prototypes with your team and clients and gather feedback on the process.


