Is CommonMark.NET still maintained?

No, CommonMark.NET is explicitly marked as unmaintained on its GitHub page. The README recommends checking out Markdig as an alternative for ongoing support and updates.

How does CommonMark.NET compare to Markdig?

CommonMark.NET focuses on strict CommonMark compliance and high performance with no dependencies, but it's unmaintained. Markdig offers more features, extensions, and active maintenance, making it better for modern projects needing flexibility.

Can I use CommonMark.NET with .NET 6 or .NET Core 3.1?

CommonMark.NET targets up to .NET Core 1.0 and older frameworks. Since it's unmaintained, compatibility with newer .NET versions is not guaranteed, though it might work in some cases with adjustments.

How to extend CommonMark.NET with custom processing?

The library parses Markdown into a syntax tree, allowing custom processing before HTML formatting. Refer to the project's wiki for examples on extending the parser with additional logic and modifications.

Does CommonMark.NET protect against cross-site scripting (XSS)?

No, CommonMark.NET does not include any HTML sanitizing. Developers must implement their own sanitization methods to prevent XSS attacks when rendering user-generated Markdown content.

What are the performance benefits of CommonMark.NET?

CommonMark.NET uses recursion-free, optimized algorithms that yield fast processing times. In benchmarks, it outperformed libraries like MarkdownSharp and CommonMarkSharp, making it efficient for large documents.

Open-Awesome

CommonMark.NET

BSD-3-ClauseC#v0.15.1

A C# implementation of the CommonMark specification for converting Markdown to HTML, optimized for performance and portability.

GitHub

1.0k stars144 forks0 contributors

What is CommonMark.NET?

CommonMark.NET is a C# library that implements the CommonMark specification to convert Markdown documents into HTML. It solves the need for a reliable, high-performance, and portable Markdown processor within the .NET ecosystem, ensuring consistent rendering across different platforms.

Target Audience

.NET developers who need to integrate Markdown processing into their applications, especially those targeting multiple platforms like desktop, mobile, web, or requiring strict CommonMark compliance.

Value Proposition

Developers choose CommonMark.NET for its strict adherence to the CommonMark spec, exceptional performance optimized through recursion-free algorithms, and broad portability across virtually all .NET runtimes without external dependencies.

Overview

Implementation of CommonMark specification in C# for converting Markdown documents to HTML. Optimized for maximum performance and portability.

Use Cases

Best For

Converting user-generated Markdown content to HTML in .NET web applications
Building cross-platform .NET apps that require Markdown support on mobile or desktop
Ensuring consistent Markdown rendering across different .NET frameworks and versions
Processing large Markdown documents efficiently without risk of stack overflow
Integrating Markdown parsing into .NET tools or utilities where performance is critical
Developing .NET libraries that need portable Markdown functionality without extra dependencies

Not Ideal For

Projects requiring modern Markdown extensions like tables, footnotes, or GitHub Flavored Markdown
Teams needing active maintenance, security updates, or compatibility with the latest .NET versions (beyond .NET Core 1.0)
Applications where built-in HTML sanitization or protection against XSS attacks is essential

Pros & Cons

Pros

Strict CommonMark Compliance

Implements the CommonMark 0.27 specification, ensuring consistent and predictable Markdown-to-HTML conversion across different platforms, as verified by passing all spec tests.

High Performance

Optimized algorithms yield fast processing times, benchmarked to be one of the fastest .NET Markdown libraries in simple tests, such as processing a 115 KB file in 4 ms.

No External Dependencies

Uses only System references, making it lightweight and easy to deploy across various environments without additional package dependencies.

Broad Cross-Platform Support

Cross-compiled for multiple .NET targets including .NET Framework 2.0-4.5, .NET Core 1.0, Xamarin, and Silverlight, ensuring compatibility in diverse .NET ecosystems.

Cons

Unmaintained Project

The library is explicitly marked as no longer maintained on its GitHub README, meaning no future updates, bug fixes, or security patches, which poses a risk for long-term use.

Limited Feature Set

Adheres strictly to the CommonMark spec without support for popular extensions or additional Markdown features, making it unsuitable for projects needing richer Markdown support.

Lacks Built-in Security

Does not include HTML sanitizing, as noted in the README, requiring developers to handle XSS protection separately, which adds complexity and potential security vulnerabilities.

Frequently Asked Questions

Related Projects

AutoMapper

A convention-based object-object mapper in .NET.

Stars10,189

Forks2,415

Last commit6 days ago

Humanizer

Humanizer meets all your .NET needs for manipulating and displaying strings, enums, dates, times, timespans, numbers and quantities

Stars9,589

Forks1,045

Last commit8 days ago

AngleSharp

:angel: The ultimate angle brackets parser library parsing HTML5, MathML, SVG and CSS to construct a DOM based on the official W3C specifications.

Stars5,491

Forks590