
Natural Docs - Detailed Review
Developer Tools

Natural Docs - Product Overview
Natural Docs Overview
Natural Docs is an open-source documentation generator that simplifies the process of creating and maintaining high-quality documentation for your code. Here’s a brief overview of its primary function, target audience, and key features:Primary Function
Natural Docs is used to generate HTML documentation from commented source code. It supports 25 programming languages and can be extended to support more. The tool scans your code and builds documentation that is easy to read and navigate, making it an essential tool for developers who need to document their projects efficiently.Target Audience
The primary target audience for Natural Docs includes software developers, engineers, and anyone involved in coding projects who need to create and maintain documentation. It is particularly useful for teams working on multi-language projects, as it can handle documentation for multiple languages within the same set of documentation.Key Features
Natural Syntax
Natural Docs allows you to document your code using a natural, readable syntax that resembles plain English. This makes the comments in your source code as usable as the generated documentation.Multi-Language Support
It supports 25 programming languages and can be easily extended for more. This feature is especially beneficial for projects that use multiple languages.Three-Panel Design
The generated documentation uses a three-panel design, which includes a dynamic menu for browsing, a summary panel for quick navigation, and a detail panel showing the selected code element. This design enhances usability and speed.Search and Pop-Up Summaries
The documentation includes a search box and pop-up summaries that appear when you hover over links, providing quick access to detailed information without leaving the current page.Customizable Output
You can customize the look of the documentation using custom CSS and images, allowing you to match the documentation style with your project’s branding.Integration with Development Environments
Natural Docs can be integrated into most development environments as a pre- or post-build event or as an external tool, making it easy to update documentation frequently.Dark Themes and macOS Compatibility
Recent updates include dark themes that users can switch between, and improved compatibility with macOS, ensuring that the SQLite binaries work without issues. Overall, Natural Docs is a versatile and user-friendly tool that helps developers create high-quality, readable documentation with minimal effort.
Natural Docs - User Interface and Experience
User Interface and Experience of Natural Docs
Natural Docs is designed to be user-friendly and integrate seamlessly into the coding process, making it an effective tool for generating documentation.Documentation Syntax
Natural Docs allows you to document your code using a natural syntax that reads like plain English. This means you can write comments in a way that feels natural and does not disrupt your coding flow. The syntax is minimal and does not require the use of comment symbols or HTML-like tags, making it easy to read and write within your source code.Ease of Use
The tool is relatively straightforward to use. You document your code by adding comments in a natural language style, and Natural Docs scans these comments to generate high-quality HTML documentation. This process is automated, so you don’t need to compile or check the HTML output frequently, allowing you to focus on coding.Linking and Formatting
Linking within Natural Docs is simple; you just surround the topic you want to link to with angle brackets. This keeps the syntax minimal and avoids unintentional links. You can also apply additional formatting and layout to your comments, such as breaking paragraphs with blank lines, which helps maintain readability.Summaries and Grouping
Natural Docs automatically generates summaries for every file, class, and section. These summaries use the first sentence of the topic as the description, which appears in tooltips when linked. You can also manually add group topics to divide long lists and make the summaries easier to navigate.Output and Features
The output of Natural Docs is high-quality HTML documentation that can be viewed directly from your hard drive. The build process is differential, meaning it updates quickly, allowing you to refresh the browser frequently as you work. This feature makes it convenient to keep the documentation up-to-date and accessible throughout the development process.Overall User Experience
The overall user experience is centered around keeping the documentation process integrated with your coding workflow. The comments are meant to be readable both in the source code and in the generated documentation, ensuring that you don’t have to switch contexts frequently. This approach makes documenting your code an integral part of the coding process rather than an afterthought.In summary, Natural Docs offers a user-friendly interface that simplifies the documentation process, making it easy to generate and maintain high-quality documentation without disrupting your coding workflow.

Natural Docs - Key Features and Functionality
Natural Docs Overview
Natural Docs is a documentation tool that helps developers generate comprehensive and organized documentation for their source code. Here are the main features and functionalities of Natural Docs:Full Language Support
Natural Docs offers full language support for several programming languages, which includes having a parser specifically written for each language. This allows for:Key Features
- Full Code Documentation: Natural Docs can document all classes, functions, and other code elements, even if they lack comments.
- Full Inheritance Diagrams: It includes a class’s parents and children in the documentation, providing a clear hierarchy.
- Javadoc and XML Compatibility: Natural Docs can incorporate existing Javadoc and Microsoft XML comments, although with some limitations.
- Headerless Natural Docs Comments: You can use Javadoc comment symbols to simplify comment writing.
Basic Language Support
For languages without full support, Natural Docs uses generalized settings from the `Languages.txt` file. This approach is easier for adding new languages but has limitations:Limitations
- Commented Code Only: Only commented code elements are included in the documentation.
Comment Features
Natural Docs 2.0 introduces several new comment features:New Features
- Improved Syntax: New syntax options for better visual breaks and flexibility in comment writing, such as using colons and different symbols.
- Prototype Documentation: You can add prototypes directly to comments, which is useful for documenting database tables and other complex structures.
- Parameter Linking: Enhanced linking to different function prototypes based on parameter types or names.
Documentation Output
The generated documentation is highly accessible and user-friendly:Output Features
- Three-Panel Design: The HTML output features a three-panel design for easy navigation. The left panel allows browsing by class or source file, the middle panel provides a summary, and the right panel shows detailed information about the selected code element.
- Search Functionality: A search box in the upper right corner helps quickly find classes and other elements, with color-coded results for better visibility.
- Hover Summaries: Hovering over links provides pop-up summaries without needing to navigate away from the current page.
- Customization: The output can be customized with CSS and images to match your project’s style.
Setup and Integration
Natural Docs is a command-line application, making it easy to integrate into development environments and build processes:Configuration
- Configuration Files: You need to set up configuration files (`Project.txt`, `Comments.txt`, and `Languages.txt`) to specify project details, source code folders, and output locations.
- Command-Line Interface: Run Natural Docs using the project configuration folder as a parameter to generate documentation.
AI Integration
While Natural Docs itself does not integrate AI technologies, its features are designed to automate and streamline the documentation process, which can be seen as a form of automation that simplifies the developer’s task. However, there is no explicit use of AI or machine learning in Natural Docs based on the available information.Conclusion
In summary, Natural Docs is a powerful tool for generating and managing code documentation, offering extensive features for various programming languages and a user-friendly output format, all without the need for graphical interfaces or AI-driven functionalities.
Natural Docs - Performance and Accuracy
Evaluating Natural Docs
Evaluating the performance and accuracy of Natural Docs in the Developer Tools category involves examining its features, support for various programming languages, and any inherent limitations.
Performance
Natural Docs is capable of generating documentation for code written in 25 different programming languages, and it can be extended to support more languages if needed. Here are some key performance aspects:
- Multi-Language Support: Natural Docs can handle projects that use multiple programming languages, integrating all the documentation into a single set. This is particularly useful for projects with diverse codebases.
- Documentation Generation: The tool generates documentation with a user-friendly interface, featuring three independently scrolling panels, dynamic menus, search functionality, and pop-up summaries for links. This makes it easy to use across different environments, such as web servers, network shares, or local hard drives.
- Theme Customization: Recent updates include the addition of dark themes, which can be switched automatically based on the operating system’s mode, enhancing user experience.
Accuracy
The accuracy of Natural Docs depends on the level of language support it provides:
- Full Language Support: For languages with full support (like C#), Natural Docs can document all classes, functions, and other code elements, even if they lack comments. It also includes full inheritance diagrams and can incorporate Javadoc and Microsoft XML comments. This ensures comprehensive and accurate documentation.
- Basic Language Support: For most languages, Natural Docs uses generalized code and settings from `Languages.txt` to read comments and collect prototypes. This approach is easier for adding new language support but has limitations, such as only documenting commented code and limited inheritance diagrams.
Limitations and Areas for Improvement
- Comment Dependency: For languages with basic support, Natural Docs relies heavily on comments to generate documentation. This means that only commented code will be included, which can lead to incomplete documentation if not all parts of the code are commented.
- Markup and Syntax: Some users find the Natural Docs comment syntax to be verbose and less readable compared to other documentation tools like Javadoc. This can make it cumbersome to work with large codebases that require extensive commenting.
- Inheritance Diagrams: While Natural Docs can include inheritance diagrams for languages with basic support, these are limited to commented classes and may not capture the full inheritance hierarchy.
- SystemVerilog Support: Currently, SystemVerilog is moving from basic to full language support, but this transition is still in progress. Users may need to manually adjust settings in `Languages.txt` until full support is implemented.
In summary, Natural Docs performs well in generating documentation for multiple languages and offers a user-friendly interface. However, its accuracy can vary depending on the level of language support, and it has some limitations, particularly with basic language support and the verbosity of its comment syntax.

Natural Docs - Pricing and Plans
The Pricing Structure of Natural Docs
The pricing structure for Natural Docs, an open-source documentation generator, is relatively straightforward and favorable for users due to its free and open-source nature.
Key Points:
- Natural Docs is free: There are no subscription fees or different pricing tiers. It is an open-source tool, which means it is available for use at no cost.
Features:
- Multi-language support: Natural Docs supports multiple programming languages and generates high-quality HTML documentation from your code.
- Natural syntax: You document your code in a natural syntax that reads like plain English.
- Extensible: The tool is extensible, allowing for customization and expansion.
- HTML output: Natural Docs builds HTML documentation from your code.
Usage:
- You can download and use Natural Docs without any financial commitment. The tool is licensed under the GNU Affero General Public License, version 3.
Conclusion
Given that Natural Docs is entirely free and open-source, there are no different plans or tiers to compare. It is a single, comprehensive tool available for anyone to use at no cost.

Natural Docs - Integration and Compatibility
Natural Docs Overview
Natural Docs is a versatile documentation generator that integrates well with various tools and offers broad compatibility across different programming languages and platforms.Language Support and Compatibility
Natural Docs supports documentation for 25 programming languages, including C#, Java, Python, Ruby, and many others. The tool provides two levels of language support:Full Language Support
Currently, only C# has full language support, which means Natural Docs can interpret the code itself, document all classes, functions, and other code elements even without comments, and incorporate existing Javadoc and Microsoft XML comments. Other languages are expected to gain full support in future releases.Basic Language Support
For most languages, Natural Docs offers basic support, where it relies on comments written in its native format to generate documentation. This means you need to comment every class or function you want to include in the documentation. However, this system allows for easy addition of new languages by editing a configuration file.Integration with Other Tools and Comment Systems
Natural Docs can integrate with existing Javadoc and Microsoft XML comments for languages that have full support, such as C#. For languages with basic support, it can only include comments written in the Natural Docs format and cannot incorporate Javadoc or XML comments.Platform and Device Compatibility
Natural Docs generates documentation in HTML, which can be viewed on any device with a web browser. The documentation can be hosted on a web server, a network share, or even opened directly from a hard drive. This makes it highly accessible across different platforms and devices.User Interface and Themes
The generated documentation features a user-friendly interface with three independently scrolling panels, dynamic menus, search functionality, and pop-up summaries when hovering over links. Natural Docs also supports dark themes, allowing users to choose between light and dark modes, which can automatically adjust based on the operating system’s theme settings.macOS Compatibility
Recent updates have improved compatibility with macOS by ensuring that the SQLite binaries are signed and notarized, preventing issues where macOS might block the application due to unverified developer status.Conclusion
In summary, Natural Docs offers extensive language support, seamless integration with existing comment systems for certain languages, and broad compatibility across various platforms and devices, making it a versatile tool for documenting code in multiple programming languages.
Natural Docs - Customer Support and Resources
Community and Documentation
Natural Docs relies heavily on its documentation and community support. Here are some key resources:Official Documentation
The Natural Docs website provides extensive documentation on how to use the tool, including guides on syntax, features, and configuration. This documentation is available in HTML format and is generated using Natural Docs itself.GitHub Repository
Natural Docs is hosted on GitHub, where users can access the source code, report issues, and contribute to the project. This is a primary channel for community engagement and support.Support Channels
While Natural Docs does not offer paid technical support, users can seek help through:GitHub Issues
Users can report bugs, ask questions, and request features by opening issues on the GitHub repository. This is a community-driven support mechanism where both the developer and other users can provide assistance.Online Forums and Communities
Although there is no dedicated forum for Natural Docs, users can often find help and discussions about the tool on broader programming and developer communities.Customization and Styles
Natural Docs allows users to customize the generated HTML documentation. Users can create their own styles or adjust the default styles to suit their needs. This flexibility is documented in the Styles section of the Natural Docs website.Licensing and Development
Natural Docs is free software under the GNU Affero General Public License v3.0. This means that users have the freedom to use, modify, and distribute the software. The project is maintained by Greg Valure, and contributions from the community are welcome. In summary, while Natural Docs does not offer traditional customer support like many commercial products, it provides comprehensive documentation, a community-driven support model through GitHub, and the flexibility to customize the generated documentation.
Natural Docs - Pros and Cons
Advantages of Natural Docs
Multi-Language Support
Natural Docs can generate documentation for code written in a wide range of programming languages, currently supporting 25 languages, and it can be easily extended to support more. This makes it versatile for projects that use multiple languages.
Readable Comments
The tool is designed to keep comments in the source code as readable as the generated documentation. It uses natural language in comments, avoiding weird syntax or tags, making it easy to maintain and read both in the code and the generated docs.
Automatic Documentation
For languages like ActionScript, C#, and Perl, Natural Docs can automatically document functions, variables, classes, and inheritance without the need for explicit documentation in the source code. For other languages, it still requires explicit comments but can generate comprehensive documentation.
User-Friendly Output
The generated documentation is presented in a user-friendly format with features such as three independently scrolling panels, dynamic menus, search functionality, and pop-up summaries when hovering over links. It also supports dark themes and auto-themes that adjust based on the operating system’s mode.
Integration with Development Environments
Natural Docs is a command-line tool that can be integrated into most development environments. It can be set up as a pre- or post-build event or configured as an external tool, allowing for easy updates and integration with tools like Visual Studio.
Efficient Updates
The build process is differential, meaning it updates only the parts of the documentation that have changed since the last run, making subsequent runs much faster.
Disadvantages of Natural Docs
Limited Auto-Generated Inheritance Diagrams
Natural Docs can automatically generate inheritance diagrams only for C# and ActionScript. For other languages, including C and others, inheritance diagrams need to be explicitly documented via comments.
Limited Industry Recognition
Unlike some other documentation tools, Natural Docs is not considered an industry standard for documenting code in any language. It is used by some hobbyists and companies but does not have the same level of widespread adoption as tools like Doxygen or Javadoc.
Dependency on Comments for Some Languages
For languages other than ActionScript, C#, and Perl, Natural Docs requires explicit comments in the source code to generate comprehensive documentation. This can be time-consuming and may not be as efficient as automatic documentation for all languages.
Development Pace
There have been periods where development has been slow due to personal issues, which might affect the pace at which new features and full language support are added.
Overall, Natural Docs offers a range of benefits, particularly in its readability and multi-language support, but also has some limitations, especially in terms of automatic documentation and industry recognition.

Natural Docs - Comparison with Competitors
Unique Features of Natural Docs
Multi-Language Support
Multi-Language Support: Natural Docs can generate documentation from comments in 25 different programming languages and can be extended to support more. This makes it highly versatile for projects that use multiple languages.
Natural Comment Style
Natural Comment Style: Unlike tools like Javadoc, Natural Docs uses a more natural and readable comment style, making the comments in the source code as readable as the generated documentation. This eliminates the need for special tags or syntax.
Automatic Documentation
Automatic Documentation: For languages like ActionScript, C#, and Perl, Natural Docs can automatically document functions, variables, classes, and inheritance without the need for explicit documentation. For other languages, explicit documentation is required but still integrated seamlessly.
User-Friendly Output
User-Friendly Output: The generated documentation features three independently scrolling panels, dynamic menus, search functionality, and pop-up summaries when hovering over links. It also supports dark themes and auto-themes that adjust based on the operating system’s mode.
Integration and Build Process
Integration and Build Process: Natural Docs is a command-line tool that can be integrated into most development environments. It supports differential builds, which means it updates only the parts of the documentation that have changed, making subsequent runs faster.
Potential Alternatives
Javadoc
Javadoc: Javadoc is an industry standard for Java documentation but can also be used with other languages to some extent. Unlike Natural Docs, Javadoc requires specific tags and syntax, which can make the comments less readable in the source code. However, Javadoc is widely supported and integrated into many Java development environments. Natural Docs can incorporate Javadoc comments, making it easier to migrate existing documentation.
Doxygen
Doxygen: Doxygen is another popular documentation generator that supports multiple programming languages. It uses a more traditional comment style with tags and is known for its extensive customization options. While it is more flexible in terms of output formats (including LaTeX, PDF, and HTML), it may require more configuration compared to Natural Docs. Doxygen does not have the same level of natural comment readability as Natural Docs but is highly configurable and widely used.
ROBODoc
ROBODoc: ROBODoc is a documentation generator that supports multiple languages but has limited support for ActionScript compared to Natural Docs. It uses a simpler comment style but may not generate documentation of the same quality as Natural Docs for certain languages.
Conclusion
Natural Docs stands out with its natural comment style, multi-language support, and user-friendly generated documentation. While alternatives like Javadoc and Doxygen offer their own strengths, such as industry standardization and extensive customization, Natural Docs is particularly appealing for projects needing a more readable and integrated documentation solution across multiple languages.

Natural Docs - Frequently Asked Questions
Here are some frequently asked questions about Natural Docs, along with detailed responses to each:
What programming languages does Natural Docs support?
Natural Docs supports documentation for code written in 25 different programming languages. It also allows for easy extension to support additional languages if needed. This means you can use Natural Docs even if your project involves multiple languages.How does Natural Docs generate documentation?
Natural Docs generates documentation by scanning your code and comments. It uses a natural syntax that reads like plain English, making it easy to document your code without feeling like you’re writing extra code. The tool then builds high-quality HTML documentation from these comments and code elements.What are the differences between full and basic language support in Natural Docs?
Natural Docs offers two levels of language support: full and basic. Full language support means Natural Docs has a parser specifically written for that language, allowing it to document all classes, functions, and other code elements even if they don’t have comments. It also includes features like full inheritance diagrams and Javadoc compatibility. Basic language support relies on settings in `Languages.txt` and only includes commented code in the documentation.Can I use Natural Docs for projects with multiple languages?
Yes, Natural Docs is fully capable of handling projects that use multiple programming languages. It will include all the necessary documentation for each language in the same set of documentation, making it convenient for multi-language projects.What features does the generated documentation include?
The generated documentation by Natural Docs includes several useful features. It has a three-panel layout where the left column organizes the project by class or source file, the middle column provides a file summary, and the right column offers in-depth function documentation. Additionally, it includes search functionality, dynamic menus, and pop-up summaries when you hover over links. The documentation can be accessed from a web server, network share, or directly from your hard drive.How do I switch between light and dark themes in Natural Docs?
Natural Docs now includes dark themes that you can easily switch between. You can let users choose their preferred theme from the browser by clicking the moon icon next to the search box. There are dark, black, and auto themes that switch based on your operating system’s light or dark mode settings.Is Natural Docs compatible with different operating systems?
Yes, Natural Docs is compatible with various operating systems. Specifically, it has improved compatibility with macOS by ensuring the SQLite binaries are signed and notarized, preventing issues where macOS might block them due to unverified developers.Is Natural Docs free to use?
Yes, Natural Docs is a free and open-source documentation generator. You can use it at no cost for your projects, and it is widely used by individuals, educational institutions, government, and companies.How do I get started with Natural Docs?
To get started with Natural Docs, you can read the “Getting Started” guide available on the Natural Docs website. If you’re upgrading from an older version, such as Natural Docs 1.5, there’s also a tour of what’s new in version 2.0 to help you transition smoothly.Who maintains Natural Docs?
Natural Docs has been written and maintained by Greg Valure since its first release in 2003. It has continued to evolve with new features and improvements over the years.Can Natural Docs incorporate existing Javadoc and XML comments?
Yes, Natural Docs can incorporate existing Javadoc and Microsoft XML comments into the documentation, especially for languages with full language support. This feature helps in integrating existing documentation practices seamlessly.
Natural Docs - Conclusion and Recommendation
Final Assessment of Natural Docs
Natural Docs is a highly useful tool in the Developer Tools category, particularly for generating high-quality documentation from source code. Here’s a detailed assessment of its benefits and who would most benefit from using it.Key Features
- Natural Syntax: Natural Docs allows you to document your code in a syntax that reads like plain English, making it easier to write and maintain comments that are useful both to you and other developers.
- Multi-Language Support: It supports 21 programming languages, including C, Java, PHP, Perl, Python, and Ruby, making it versatile for projects involving multiple languages.
- High-Quality HTML Output: The tool generates high-quality HTML documentation that can be viewed directly from your hard drive, allowing for quick updates and refreshes without needing to upload files.
- Differential Build Process: The build process is differential, meaning it updates only the parts of the documentation that have changed, making it fast and efficient to use during active development.
- User-Friendly Interface: The output is organized in a three-panel layout, with a left column for project organization, a middle column for file summaries, and a right column for in-depth function documentation. It also includes a search option for easy navigation.
Who Would Benefit Most
- Large and Complex Projects: Developers working on large, complex projects will find Natural Docs particularly useful. It helps maintain a living architecture document that evolves with the project, which is crucial when working on sections that may need to be revisited months later.
- Educational Institutions and Organizations: Natural Docs is already used in various settings, including educational institutions, government, and companies. Its ease of use and high-quality output make it a valuable tool for any organization needing clear and maintainable documentation.
- Individual Developers: Even individual developers can benefit from Natural Docs, especially those who want to keep their code well-documented without the hassle of writing additional code or switching between different tools.