Pencil 3.1.0 (64-bit)

Pencil (64-bit)for Mac

Free
4.0
Updated:2025/10/01
Downloads:12M+
Languages:English
System:MacOS

Description

Editor's Review

A lightweight yet powerful open-source prototyping tool for designers and developers.

Pencil Overview

Pencil is an open-source GUI prototyping software that enables designers, developers, and product managers to quickly create mockups, wireframes, and flowcharts. With a user-friendly interface and a wide collection of built-in shapes and templates, Pencil helps transform your design ideas into visually clear prototypes with minimal effort.

Pencil Features

- Drag-and-drop interface for creating mockups and diagrams.
- Large collection of pre-installed shapes, widgets, and UI elements.
- Support for both desktop and mobile interface design.
- Easy export options to PNG, PDF, SVG, and more.
- Cross-platform compatibility (Windows, macOS, Linux).

Pencil Highlights

Unlike many commercial tools, Pencil provides professional-grade prototyping at no cost. Its built-in stencils cover popular UI frameworks, allowing quick creation of Android and iOS screens, website mockups, and desktop app layouts. The tool also integrates with online clipart libraries, giving designers extended flexibility in customization.

Why Choose Pencil

Pencil stands out for its balance between simplicity and functionality. It doesn’t overwhelm beginners yet remains powerful enough for experienced designers. Teams looking for a lightweight, collaborative-friendly solution often choose Pencil as an alternative to heavy commercial software.

Pencil User Reviews

“I’ve used Pencil for several class projects and it’s surprisingly powerful for free software. The stencils for Android UI save me tons of time.” – Reddit user

“It’s not as polished as Figma, but for offline use, Pencil is unbeatable. Exporting prototypes to PDF works like a charm.” – Softpedia comment

“A great alternative when budget is tight. It’s lightweight, runs on Linux, and does exactly what I need for quick wireframing.” – GitHub discussion

Pencil Supported Systems

Pencil is available for Windows (64-bit), macOS, and major Linux distributions.

Pencil Supported Languages

Currently available in English, with community-driven translations in several other languages.

Pencil License

Pencil is released under the GNU General Public License (GPL), making it free to use and distribute.

Pencil Open Source Status

Yes, Pencil is fully open-source and actively maintained on GitHub, allowing developers to contribute and extend its functionality.

Pencil Minimum Requirements

- OS: Windows 7/8/10/11 (64-bit), macOS 10.12+, or modern Linux
- RAM: 2 GB minimum
- CPU: Dual-core processor
- Disk: 200 MB free space

Pencil Usage Tips

- Use the stencil collections to speed up UI mockups.
- Organize your project by creating multiple pages for different screens.
- Export to SVG for scalable graphics suitable for presentations.
- Integrate online clipart libraries for additional design elements.

Pencil FAQ

Q: Is Pencil free to use?
A: Yes, it is completely free and open-source under the GPL license.

Q: Can I use Pencil for mobile app design?
A: Absolutely. Pencil includes templates for Android and iOS UIs.

Q: Does Pencil support collaboration?
A: While it doesn’t have built-in real-time collaboration, projects can be easily shared via exported files.

Pencil Summary

Pencil is a practical, open-source tool for prototyping, diagramming, and wireframing across multiple platforms. It’s beginner-friendly yet robust enough for professionals, making it a must-have utility for students, designers, and developers alike.