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microsoft/CsWin32

A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.

★2.5KSTARS
⑂129FORKS
!134ISSUES
🏆#2,310GLOBAL RANK
🔥2DAYS TRENDING
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+63

STARS · LAST 30 DAYS

2

PER DAY

#115

MOST-STARRED C#

Window7 days30 days90 days
Stars gained+14+63+180
Per day222
Forks gained+1+3+10

CsWin32 gained 63 stars in the last 30 days, about 2 a day, and now has 2.5K. It is about 6 years old and has averaged roughly 421 stars a year. It ranks #115 among C# repositories and #2,310 across all languages on GitHubRepo.

Trending Record

CsWin32 has maintained a continuous presence across global trending indexes, peaking at #2897. Below is the 30-day activity profile:

💡 Overview

CsWin32 is an open-source project written in C#: A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.

Engineered for speed, consistency, and developer ease, it solves common hurdles in C#. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.

⚡ Key Features

1

Optimized execution pipeline written in C# for predictable speed.

2

Zero-friction configuration with comprehensive sensible defaults out of the box.

3

Cross-platform runtime support across Linux, macOS, and Windows environments.

4

Strong typing and modular architecture designed for easy extension and maintainability.

5

Standardized CLI and API interfaces for smooth integration into CI/CD workflows.

6

Active community maintenance with regular dependency updates and security patches.

📥 Installation

terminal
$ git clone https://github.com/microsoft/CsWin32.git
cd CsWin32

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

C# environment and standard tooling

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

CsWin32 coordinates its core functionality through a modular C# pipeline. It parses configuration parameters, validates inputs, and resolves dependencies asynchronously. By minimizing runtime overhead and keeping allocations localized, it delivers predictable performance in both local development environments and automated production workloads.

🎯 Production Use Cases

Production System Integration

Embed CsWin32 into C# backend services to handle core application logic.

CI/CD Automated Pipelines

Run automated validation, builds, and integration suites during deployments.

Developer Tooling & Workflows

Accelerate developer onboarding with pre-configured project utilities.

Open Source Extension

Fork and customize internal modules under the repository's open MIT license.

🚀 Getting Started

1

Install CsWin32 using your package manager: `git clone https://github.com/microsoft/CsWin32.git`

2

Initialize your project workspace or configuration file for CsWin32.

3

Import CsWin32 into your codebase or invoke it directly from your terminal.

4

Execute your test suite or run `CsWin32 --help` to verify successful setup.

👍 Strengths

Active community backing with 2,523 GitHub stars and verified adoption.
Permissive open-source distribution under the MIT license.
Built in C# for high execution speed and developer familiarity.
Cross-platform compatibility across modern Linux, macOS, and Windows environments.
Clean modular design allowing flexible configuration and pipeline integration.

⚠️ Considerations

Requires familiarity with C# and modern CLI workflows.
Ecosystem extensions may require manual configuration depending on environment constraints.
Active development roadmap means breaking API changes may occur across major versions.

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👥 Who Should Use This

Developers and engineering teams building with C#, seeking reliable, tested, and actively maintained tooling for production workloads.

🏆 Nearby in the Rankings

microsoft/CsWin32 is currently ranked #2,310 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#2,305 doctrine/DoctrineFixturesBundle PHP ★ 2.5K Compare ↗
#2,306 qos-ch/slf4j Java ★ 2.5K Compare ↗
#2,307 Javis603/token-monitor JavaScript ★ 2.5K Compare ↗
#2,308 mongodb/motor Python ★ 2.5K Compare ↗
#2,309 facebookincubator/below Rust ★ 2.5K Compare ↗
#2,310 microsoft/CsWin32 This Project C# ★ 2.5K
#2,310 xerj-org/xerj Rust ★ 2.5K Compare ↗
#2,312 chromebrew/chromebrew Ruby ★ 2.5K Compare ↗
#2,313 seemoo-lab/AirGuard Kotlin ★ 2.5K Compare ↗
#2,314 artisticat1/obsidian-latex-suite TypeScript ★ 2.5K Compare ↗
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Frequently Asked Questions

What does CsWin32 do? +

A source generator to add a user-defined set of Win32 P/Invoke methods and supporting types to a C# project.

What language is CsWin32 written in? +

The primary language is C#. Topics include: software.

Is CsWin32 actively maintained? +

Yes, the last recorded push was on Sep 29, 2026 with 134 open issues being tracked.

How many stars does CsWin32 have? +

CsWin32 has 2,523 stars and 129 forks on GitHub.

How does CsWin32 rank among GitHub repositories? +

With 2,523 stars, microsoft/CsWin32 is ranked #2,310 globally across all repositories tracked on GitHubRepo and #115 among C# projects.

What license is CsWin32 distributed under? +

The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.

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