
Pencil Project - Detailed Review
Design Tools

Pencil Project - Product Overview
The Pencil Project
The Pencil Project, available at https://pencil.evolus.vn, is an open-source GUI prototyping software that is particularly useful in the design tools category, especially for creating user interface prototypes.
Primary Function
The primary function of Pencil is to help users create different types of user interfaces for various platforms, including desktop and mobile devices. It is specifically geared towards GUI prototyping, making it an essential tool for designers, developers, and anyone involved in the design and development of user interfaces.
Target Audience
The target audience for Pencil includes designers, developers, and other professionals involved in the creation of user interfaces. It is suitable for both beginners and experienced users due to its intuitive interface and extensive feature set.
Key Features
Built-in Shape Collections
Pencil comes with a variety of built-in shape collections, including general-purpose shapes, flowchart elements, desktop/web UI shapes, and Android and iOS GUI shapes. These collections can be easily extended with community-created sets.
Diagram Drawing Support
The software supports connectors and flowchart shapes, enabling users to create complex diagrams by linking shapes together.
Export Options
Pencil allows users to export their drawings in various formats, such as PNG files, web pages, OpenOffice/LibreOffice text documents, Inkscape SVG, and Adobe PDF.
Clipart Integration
It includes a clipart browser tool that integrates with OpenClipart.org, allowing users to find and add vector cliparts to their drawings with a simple drag-and-drop operation.
Inter-page Linking
Elements in a drawing can be linked to specific pages within the same document, which is particularly useful for defining UI flow in application or website mockups. These linkings are converted into HTML hyperlinks when exported to web format.
Future Developments
The upcoming version, Pencil V3, promises significant improvements, including a new runtime environment using Electron, a zip-based file format, better page management, and enhanced printing and PDF export capabilities.
Overall, Pencil Project is a versatile and user-friendly tool that simplifies the process of creating and prototyping user interfaces, making it a valuable asset for anyone involved in UI design and development.

Pencil Project - User Interface and Experience
The Pencil Project
The Pencil Project is an open-source tool specifically designed for creating user interface prototypes, and it offers a user-friendly and feature-rich interface for designers.
User Interface
The user interface of Pencil Project is straightforward and easy to use. It comes with a variety of built-in shape collections, including general-purpose shapes, flowchart elements, and UI shapes for desktop, web, Android, and iOS platforms.
- The tool integrates seamlessly with Mozilla Firefox, making it accessible across different operating systems such as Mac, Windows, and Linux.
- It features a drag-and-drop interface for adding shapes and elements, which simplifies the prototyping process.
Ease of Use
Pencil Project is known for its simplicity and ease of use. Users have praised its short learning curve, making it easy to get started with creating wireframes and prototypes quickly.
- The software includes alignment tools, grid and snap features, and layer support, which help in organizing and aligning elements efficiently.
- It also supports keyboard shortcuts, which can speed up the design process.
Key Features
- Built-in Shape Collections: Pencil Project includes a wide range of pre-installed shape collections, and users can also download and install additional collections from the community.
- Diagram Drawing Support: The tool supports connectors for linking shapes together in diagrams and includes a collection of flowchart shapes.
- Export Options: Users can export their designs in various formats such as PNG, PDF, SVG, and HTML, allowing for flexibility in sharing and presenting the prototypes.
- Inter-page Linking: Elements can be linked to specific pages within the same document, creating an interactive version of the mockup when exported to web format.
Overall User Experience
The overall user experience with Pencil Project is generally positive. Users appreciate its ease of use, the availability of various features, and the fact that it is free and open-source.
- However, some users have noted a few drawbacks, such as occasional issues with file saving and the software feeling a bit dated, particularly with regards to the latest UI trends for iOS and Windows applications.
- Despite these issues, the community support and the ability to customize templates and shapes make it a valuable tool for designers.
In summary, Pencil Project offers a user-friendly interface, a wide range of features for prototyping, and good cross-platform support, making it a valuable tool for designers looking to create UI prototypes efficiently.

Pencil Project - Key Features and Functionality
The Pencil Project
The Pencil Project, available at https://pencil.evolus.vn, is a free and open-source tool primarily used for wireframing, prototyping, and user interface (UI) design. Here are the main features and how they work:
Built-in Shape Collections
Pencil Project comes with a variety of built-in shape collections that facilitate the creation of different types of user interfaces, including desktop, web, Android, and iOS UI shapes. These collections include general-purpose shapes, flowchart elements, and specific GUI shapes for various platforms. This feature allows designers to quickly create mockups that resemble the look and feel of popular systems and platforms.
Diagram Drawing Support
The tool supports diagram drawing with features like connectors that can be used to link shapes together. It also includes a collection of flowchart shapes, making it easy to create flowcharts and other diagrams. This functionality is essential for visualizing workflows and user interactions.
Inter-page Linking
Pencil Project allows elements in a drawing to be linked to specific pages within the same document. This feature helps designers define the UI flow when creating application or website mockups. When the document is exported into web format, these linkings are converted into HTML hyperlinks, creating an interactive version of the mockup.
Exporting to Different Output Formats
The tool supports exporting drawings into various formats, including rasterized PNG files, web pages, OpenOffice/LibreOffice text documents, Inkscape SVG, and Adobe PDF. This flexibility ensures that designs can be shared and used in different contexts.
Clipart Browser
Pencil Project includes a clipart browser tool that integrates with OpenClipart.org. This allows users to easily find and add cliparts to their drawings using a simple drag-and-drop operation. The cliparts are in vector format, which is scalable without losing quality.
Cross-Platform Support
Pencil Project is cross-platform, meaning it can run on different operating systems. This makes it a versatile tool that can be used by designers regardless of their preferred operating system.
Community Support and Customization
While Pencil Project does not release updates regularly, it has an active community that addresses any issues that arise. Users can also customize templates, create their own templates, and install additional shape collections created by the community.
AI Integration
There is no indication that the Pencil Project integrates AI in its functionality. The features and capabilities described are based on traditional design and prototyping tools without AI-driven elements. If you are looking for AI-driven design tools, you might want to consider other products, but Pencil Project remains a strong choice for wireframing and prototyping without AI integration.

Pencil Project - Performance and Accuracy
Performance
The Pencil Project is known for its multi-platform compatibility and useful features, but it faces some performance issues. Here are a few notable points:
Speed and Performance
Users have reported that the tool performs poorly with larger documents, particularly those with 15 or more pages. This suggests that the application may struggle with handling extensive projects, which can be a significant limitation for users working on complex designs.
Resource Usage
There is no detailed information available on the specific resource usage of Pencil, but the performance issues with larger documents hint at potential inefficiencies in resource management.
Accuracy
Accuracy in the context of the Pencil Project primarily relates to the precision and control users have over their designs:
User Control
One of the main concerns is the lack of fine-grained control over certain aspects of the tool. For example, users have expressed a need for better control over path resolution and smoothing factors, similar to issues faced with other drawing tools like Adobe Illustrator’s Pencil tool. Users want more accurate and detailed paths, especially when drawing organic or high-resolution edges.
Feature Completeness
The tool lacks some basic features that would enhance accuracy and user experience. For instance, users have requested the ability to adjust document dimensions during PDF and SVG exports, and to set a smoothing factor that remains consistent regardless of the zoom level.
Limitations and Areas for Improvement
Several areas need attention to improve the overall performance and accuracy of the Pencil Project:
Active Development
The project has seen a stall in development, which has led to long-standing issues and limitations. Encouraging community participation and adopting a more community-centric development model could help address these issues.
Feature Updates
There is a need for adding new features and improving existing ones. For example, integrating a path eraser into the Pencil tool, allowing users to close paths based on specified distances, and enhancing the auto-close feature are some of the suggested improvements.
Documentation and Support
Better documentation and support resources, such as updated user guides, developer documentation, and active support channels (e.g., IRC), would help users and developers alike. This would build confidence in the project and make it more viable for professional use.
In summary, while the Pencil Project has useful features and a dedicated user base, it faces significant challenges related to performance, particularly with large documents, and accuracy, especially in terms of user control and feature completeness. Addressing these issues through active development, community engagement, and feature updates would be crucial for improving the tool’s overall performance and accuracy.

Pencil Project - Pricing and Plans
Pencil Project Overview
The Pencil Project is a free and open-source diagramming and UI/UX design tool that is entirely free to use, without a complex pricing structure.
Pricing
Free
- Pencil Project is completely free to download and use. There are no subscription fees or one-time payments.
Features
UI/UX Design
- Users can create mockups and prototypes for software, apps, and websites.
Sketch Design
- Allows users to create shapes and hand-drawn sketches from scratch.
Stencil Generator
- Enables the preservation and reuse of basic sketch mark-ups.
Website Prototype Tool
- Users can build diagrams that can be turned into website mockups by adding images, text, links, etc.
Cross-Platform Compatibility
- Available for Windows, Linux, and Mac.
Assets and Tools
- Includes various assets such as flowcharts, text, and clickable buttons.
Free Options
- Since Pencil Project is free, there are no different tiers or plans. It is a single, free version that includes all the features mentioned above.
Conclusion
In summary, Pencil Project offers a comprehensive set of design tools without any cost, making it an excellent option for those looking for free UI/UX design software.

Pencil Project - Integration and Compatibility
The Pencil Project
The Pencil Project, an open-source user interface drafting tool, offers several integration and compatibility features that make it versatile and accessible across various platforms and devices.
Platform Compatibility
Pencil Project is compatible with multiple operating systems:
- Windows: Supported on Windows 7 and later versions.
- OS X: Only supports OSX 64bit 10.9 and later.
- Linux: Tested on Ubuntu 12.04 and later, Fedora 21 , and Debian 8 . It is also available on Arch Linux and Gentoo Linux through their respective package repositories.
Runtime and Development Environment
The upcoming version, Pencil V3, is being rewritten to use Electron instead of Mozilla XULRunner, which makes the source code more accessible and easier to work with for developers. This shift to an Electron and Node.js-based environment is expected to improve performance and scalability.
File Formats and Export Options
Pencil Project supports exporting documents into various popular formats, including OpenOffice/LibreOffice text documents, Inkscape SVG, and Adobe PDF. Additionally, you can export drawings as rasterized PNG files or as web pages, which can be delivered to viewers. This flexibility in export options makes it easy to integrate Pencil Project with other tools and workflows.
Shape Collections and Community Resources
Pencil comes with built-in shape collections for different types of user interfaces, including desktop, web, Android, and iOS UI shapes. There are also many community-created collections available that can be easily installed via a drag-and-drop operation. This community-driven aspect enhances its integration with various design needs and standards.
Inter-page Linking and Interactive Mockups
Pencil allows elements in a drawing to be linked to specific pages within the same document, which is particularly useful for defining UI flows. When exported into web format, these linkings are converted into HTML hyperlinks, creating interactive mockups that simulate the flow of an application or website.
Clipart Integration
The tool includes a clipart browser that integrates with OpenClipart.org, enabling users to easily find and add vector cliparts to their drawings. This feature simplifies the process of enriching designs with additional visual elements.
Conclusion
In summary, the Pencil Project is highly compatible across different platforms and offers a range of features that facilitate integration with other design tools and workflows. Its support for various file formats, built-in shape collections, and interactive mockup capabilities make it a versatile tool for UI drafting and prototyping.

Pencil Project - Customer Support and Resources
Customer Support
- While the Pencil Project does not offer real-time customer support like live chat or phone support, users can seek help through the community and forums associated with the project. However, specific direct support channels are not explicitly mentioned.
Additional Resources
- Documentation and Guides: The Pencil Project provides extensive documentation and guides on how to use the tool. This includes tutorials and user manuals that help users get started with creating wireframes for desktop and mobile apps.
- Stencils and Templates: The tool comes with a collection of stencils for web and mobile wireframing, as well as diagrams. These stencils can be customized and used to annotate wireframes with notes.
- Community Support: Users can often find help through community forums and discussions where other users share their experiences and solutions to common issues.
- Open Source Nature: Being an open-source project, users can also contribute to the development and improvement of the tool, which can be a valuable resource for those looking to customize or extend the tool’s capabilities.
If you need more specific help or have questions, you might need to rely on the community or general resources available for open-source projects, as there is no dedicated customer support team mentioned.

Pencil Project - Pros and Cons
Advantages
Free and Open Source
Pencil Project is completely free to use and is an open-source tool, making it highly accessible for users of all levels.
Ease of Use
Many users have praised Pencil Project for its user-friendly interface and ease of use, especially for creating wireframes and prototypes quickly.
Customization
The tool allows users to customize templates and create their own, which is a significant advantage for those who need specific designs.
Multiplatform Support
Pencil Project can be used on various operating systems, including Mac, Windows, and Linux, and it also has extensions for use in web browsers like Mozilla Firefox.
Extensive Template Library
It comes with a comprehensive library of shapes and templates for popular systems like Android, iOS, and Windows, which is very helpful for UI design.
Offline Use
The software can be used offline, which is beneficial for those who may not always have internet access.
Disadvantages
Limited Updates
One of the significant drawbacks is that Pencil Project has not been updated regularly since 2013, which means the templates and designs may not be up to date with the latest UI trends.
Performance Issues
Some users have reported performance issues, such as the software slowing down when multiple graphical elements are inserted into a project.
File Saving Problems
There have been complaints about project files not saving properly, leading to file crashes and data loss.
Limited Features
While Pencil Project is versatile, it is somewhat limited in what you can add to your mock-ups compared to other more feature-rich tools.
Learning Curve
Although generally easy to use, Pencil Project can take some time to learn, especially for beginners who are not familiar with design programs.
Overall, Pencil Project is a valuable tool for those looking for a free, user-friendly, and customizable solution for wireframing and prototyping, but it does come with some limitations and technical issues that need to be addressed.

Pencil Project - Comparison with Competitors
When Comparing the Pencil Project with Other Design Tools
Several key features and differences stand out.
Unique Features of Pencil Project
- GUI Prototyping: Pencil is particularly strong in GUI prototyping, especially with its built-in shape collections for desktop and mobile platforms, including Android and iOS UI stencils.
- Built-in Shape Collections: It offers a wide range of shape collections, including general-purpose shapes, flowchart elements, and desktop/web UI shapes. Users can also easily install additional collections from the community.
- Diagram Drawing Support: Pencil supports connectors and flowchart shapes, making it easy to create diagrams and link elements within a document.
- Export Options: The tool allows exporting documents into various formats such as PNG, web pages, OpenOffice/LibreOffice text documents, Inkscape SVG, and Adobe PDF.
- Clipart Integration: Pencil has a clipart browser that integrates with OpenClipart.org, enabling users to find and add vector cliparts easily.
- Inter-page Linking: Elements in a drawing can be linked to specific pages, creating an interactive version of the mockup when exported to web format.
Potential Alternatives and Comparisons
Uizard
Uizard is an AI-driven design tool that transforms sketches into digital prototypes quickly. Unlike Pencil, Uizard relies heavily on AI algorithms to automate the prototyping process, making it more suitable for users who need rapid and interactive prototypes.
Adobe Firefly
Adobe Firefly is an AI-powered design assistant that automates repetitive tasks and offers design suggestions. While Pencil focuses on manual drawing and prototyping, Firefly integrates AI to streamline the design workflow, which might appeal to users looking for more automated design assistance.
Autodraw
Autodraw, developed by Google, uses AI to recognize doodles and suggest appropriate icons or drawings. This tool is more geared towards casual users who want to create visual content without extensive design skills, differing from Pencil’s focus on detailed GUI prototyping and diagram drawing.
Ai Pencil
Ai Pencil is an AI-powered drawing tool that helps designers create complex designs quickly and efficiently. Unlike Pencil, Ai Pencil uses sophisticated AI algorithms to generate designs, making it a good option for those who need detailed and intricate designs without manual input.
Other Competitors
Tools like Omneky, Copysmith, and Designs.AI are more focused on specific areas such as advertising, content generation, and AI-driven creative insights, rather than the broad GUI prototyping and diagram drawing capabilities of Pencil.
Conclusion
In summary, while Pencil Project excels in manual GUI prototyping, diagram drawing, and flexible export options, alternatives like Uizard, Adobe Firefly, and Ai Pencil offer different strengths, particularly in AI-driven automation and design assistance. The choice between these tools depends on the specific needs and preferences of the user, whether they prioritize manual control, AI-driven automation, or a combination of both.

Pencil Project - Frequently Asked Questions
Here are some frequently asked questions about Pencil Project, along with detailed responses to each:
What is Pencil Project?
Pencil Project is an open-source tool designed for creating user interface prototypes, wireframes, and flowcharts. It supports multiple platforms and integrates seamlessly with Mozilla Firefox, making it a versatile choice for designers.Is Pencil Project free to use?
Yes, Pencil Project is completely free and open-source. It does not require any subscription or payment, making it accessible to anyone who needs to create UI prototypes and wireframes.What are the key features of Pencil Project?
Pencil Project offers several powerful features, including built-in shape collections for various UI elements, diagram drawing support, flowchart support, multi-page document support, and the ability to export to multiple formats such as PNG, PDF, SVG, and HTML. It also includes inter-page linking, custom stencils, alignment tools, grid and snap features, layer support, and text formatting.Does Pencil Project support different operating systems?
Yes, Pencil Project is cross-platform, meaning it can run on various operating systems including Windows, macOS, and Linux. This makes it a flexible tool for designers working on different platforms.Can I customize templates and shapes in Pencil Project?
Yes, you can customize templates and shapes in Pencil Project. It allows you to create your own templates and shapes, and there are also many community-created collections available that can be easily installed with a drag-and-drop operation.How does Pencil Project handle exporting documents?
Pencil Project supports exporting documents into various formats, including PNG, PDF, SVG, and HTML. When exported to HTML, the inter-page links are converted into hyperlinks, allowing for an interactive simulation of the UI flow.Are there any issues with saving files in Pencil Project?
Some users have reported issues with file saving, where the project file may not save properly, leading to data loss. However, the community and support team are active in addressing such issues.What kind of customer support does Pencil Project offer?
Pencil Project offers support through its community and user forums. While it may not have regular updates, the community is active in resolving any issues that arise.Where can I find additional shape collections and stencils for Pencil Project?
Additional shape collections and stencils can be found in the Pencil Project download archive or created and shared by the community. These can be easily installed using a drag-and-drop operation.What types of businesses can use Pencil Project?
Pencil Project serves a wide range of businesses, including startups, small to medium-sized businesses (SMBs), mid-market companies, and enterprises. It is versatile enough to meet the needs of various types of organizations.Who are the primary competitors of Pencil Project?
The primary competitors of Pencil Project include SimpleDiagrams, diagrams.net, and 10SCAPE. These tools offer similar functionalities for creating wireframes, flowcharts, and UI prototypes.
Pencil Project - Conclusion and Recommendation
Final Assessment of Pencil Project
Pencil Project is an open-source tool that stands out in the design tools category, particularly for wireframing and prototyping. Here’s a comprehensive overview of its benefits, limitations, and who would benefit most from using it.Key Features and Benefits
- Cross-Platform Support: Pencil Project is available on multiple operating systems, including Mac, Windows, and Linux, making it versatile for designers across different platforms.
- Ease of Use: Users consistently praise its user-friendly interface and ease of use, which allows for quick creation of wireframes and prototypes.
- Customization: It offers the ability to customize templates, create your own templates, and supports a wide range of file formats. This flexibility is highly valued by users.
- Extensive Libraries: Pencil Project includes built-in shape collections, diagram drawing support, flowchart support, and UI mockup tools, which are essential for prototyping.
- Export Options: The software allows exporting to various formats such as PNG, PDF, SVG, and HTML, making it convenient for sharing and further development.
- Community Support: Although it does not release updates regularly, the community actively addresses any issues that arise, providing a level of support and stability.
Limitations
- Infrequent Updates: One of the notable drawbacks is the lack of regular updates, which can leave some features feeling dated, particularly the iOS and Windows templates.
- File Saving Issues: Some users have reported issues with project files not saving properly, leading to data loss. This is a significant concern that needs to be addressed.
- Limited Advanced Features: While Pencil Project is excellent for basic prototyping, it is somewhat limited in what you can add to your mock-ups compared to more advanced tools.
Who Would Benefit Most
Pencil Project is ideal for several types of users:- UX Designers and Front-End Developers: Those who need to quickly create and share wireframes and prototypes will find Pencil Project very useful due to its ease of use and extensive template library.
- Small to Medium-Sized Projects: For projects that require rapid prototyping without the need for highly advanced features, Pencil Project is a perfect fit. It is lightweight, responsive, and free.
- Educational Purposes: Students and educators can benefit from Pencil Project as it is free, easy to use, and supports a variety of platforms, making it an excellent tool for learning and teaching design principles.