C# Documentation

Open-source C# projects categorized as Documentation

Top 13 C# Documentation Projects

Documentation
  1. ReSharper

    ReSharper is now available in VS Code and Cursor. ReSharper brings a professional toolset for C# developers backed by over 20 years of experience, enterprise-grade security, SOC 2 compliance, and the trust of companies worldwide.

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  2. DocFX

    Static site generator for .NET API documentation.

    Project mention: docfx-remote-include: inline remote markdown into DocFX, and govern the assembled page | dev.to | 2026-06-09

    docfx-remote-include is a Markdig extension and a dotnet CLI tool for DocFX. It does two things: it inlines markdown fetched from an HTTP service at build time, and it can send each fully-assembled page to a transform service for centralized governance.

  3. Swashbuckle

    Seamlessly adds a swagger to WebApi projects!

  4. Sandcastle

    Sandcastle Help File Builder (SHFB). A standalone GUI, Visual Studio integration package, and MSBuild tasks providing full configuration and extensibility for building help files with the Sandcastle tools.

  5. SourceBrowser

    Source browser website generator that powers https://source.dot.net, https://referencesource.microsoft.com and https://sourceroslyn.io

  6. PowerDocu

    Generate technical documentation from your existing Power Platform solutions, including Flows, apps, agents, Dataverse tables, and more

  7. DocNet

    Your friendly static documentation generator, using markdown files to build the content. (by FransBouma)

  8. SaaSHub

    SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives

    SaaSHub logo
  9. NaturalDocs

    Natural Docs source code documentation system

  10. DefaultDocumentation

    Create a simple markdown documentation from the Visual Studio xml one.

  11. PSDocs

    Generate documentation from Infrastructure as Code (IaC).

  12. ModularDoc

    Modular documentation generator for .NET libraries. Currently supporting Markdown only for GitHub, GitLab, and Bitbucket

  13. dotnet-document

    A tool for auto-generating XML documentation for your C# code

  14. IPS-Peek

    IPS Peek is an IPS patch (International Patching System) exploration and testing tool.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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C# Documentation related posts

  • docfx-remote-include: inline remote markdown into DocFX, and govern the assembled page

    3 projects | dev.to | 9 Jun 2026
  • Building a Markdig Extension for DocFX: Remote Content Inclusion with AI Rewriting

    1 project | dev.to | 22 May 2026
  • SQL-First-in-Migrations: Governing Every Database Artifact Through EF Core Migrations

    2 projects | dev.to | 12 May 2026
  • XML API Documentation: From Zero to Production in 10 Minutes

    2 projects | dev.to | 3 Sep 2025
  • Systems Correctness Practices at AWS: Leveraging Formal and Semi-Formal Methods

    2 projects | news.ycombinator.com | 1 Apr 2025
  • Visualize Asp Net Core metrics with Grafana

    3 projects | dev.to | 3 Feb 2025
  • Microsoft Says Apple's 30% Fee Makes Xbox Cloud Gaming iOS App 'Impossible'

    2 projects | news.ycombinator.com | 3 Sep 2024
  • A note from our sponsor - SaaSHub
    www.saashub.com | 12 Jun 2026
    SaaSHub helps you find the best software and product alternatives Learn more →

Index

What are some of the best open-source Documentation projects in C#? This list will help you:

# Project Stars
1 EntityComponentSystemSamples 8,124
2 DocFX 4,429
3 Swashbuckle 3,073
4 Sandcastle 2,252
5 SourceBrowser 1,162
6 PowerDocu 623
7 DocNet 254
8 NaturalDocs 224
9 DefaultDocumentation 165
10 PSDocs 163
11 ModularDoc 144
12 dotnet-document 105
13 IPS-Peek 67

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the 11th most popular programming language
based on number of references?