A streamlined web app that helps you create and collaborate in real-time on wireframes, mockups, diagrams and prototypes.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Google Chrome
- Mozilla Firefox




Pencil Project is described as 'Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features' and is a very popular UI Design tool in the photos & graphics category. There are more than 50 alternatives to Pencil Project for a variety of platforms, including Windows, Mac, Web-based, Linux and iPhone apps. The best Pencil Project alternative is Penpot, which is both free and Open Source. Other great apps like Pencil Project are Figma, LibreOffice - Draw, Open Pencil and Penpot Desktop.
A streamlined web app that helps you create and collaborate in real-time on wireframes, mockups, diagrams and prototypes.




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Very good open source project, fast interface designing, efficient and free as in freedom.