Star History
Momentum
+517
STARS · LAST 30 DAYS
17
PER DAY
#11
MOST-STARRED C#
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +119 | +517 | +1.5K |
| Per day | 17 | 17 | 17 |
| Forks gained | +22 | +87 | +216 |
roslyn gained 517 stars in the last 30 days, about 17 a day, and now has 20.7K. It is about 12 years old and has averaged roughly 1.7K stars a year. It ranks #11 among C# repositories and #443 across all languages on GitHubRepo.
Trending Record
5
DAYS ON TRENDING
#734
BEST RANK
Sep 25, 2026
FIRST APPEARANCE
Active
STATUS TODAY
roslyn has maintained a continuous presence across global trending indexes, peaking at #734. Below is the 30-day activity profile:
💡 Overview
roslyn is an open-source project written in C#: The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
Engineered for speed, consistency, and developer ease, it solves common hurdles in csharp, hacktoberfest, roslyn. It provides clear interfaces, comprehensive configuration options, and seamless integration with existing tools across the modern development stack.
⚡ Key Features
Optimized execution pipeline written in C# for predictable speed.
Zero-friction configuration with comprehensive sensible defaults out of the box.
Cross-platform runtime support across Linux, macOS, and Windows environments.
Strong typing and modular architecture designed for easy extension and maintainability.
Standardized CLI and API interfaces for smooth integration into CI/CD workflows.
Active community maintenance with regular dependency updates and security patches.
📥 Installation
$ git clone https://github.com/dotnet/roslyn.git
cd roslyn⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C# environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
roslyn 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 roslyn 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
Install roslyn using your package manager: `git clone https://github.com/dotnet/roslyn.git`
Initialize your project workspace or configuration file for roslyn.
Import roslyn into your codebase or invoke it directly from your terminal.
Execute your test suite or run `roslyn --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 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
dotnet/roslyn is currently ranked #443 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #438 | qax-os/excelize | Go | ★ 20.9K | Compare ↗ |
| #439 | github/docs | TypeScript | ★ 20.9K | Compare ↗ |
| #440 | gofr-dev/gofr | Go | ★ 20.9K | Compare ↗ |
| #441 | sveltejs/kit | JavaScript | ★ 20.8K | Compare ↗ |
| #442 | browser-use/jev-ultrafast | Python | ★ 20.7K | Compare ↗ |
| #443 | dotnet/roslyn This Project | C# | ★ 20.7K | |
| #444 | birobirobiro/awesome-shadcn-ui | TypeScript | ★ 20.6K | Compare ↗ |
| #445 | google/filament | C++ | ★ 20.5K | Compare ↗ |
| #446 | pydantic/pydantic-ai | Python | ★ 20.2K | Compare ↗ |
| #447 | DrewThomasson/ebook2audiobook | Python | ★ 20.2K | Compare ↗ |
| #448 | 1jehuang/jcode | Rust | ★ 20.2K | Compare ↗ |
Frequently Asked Questions
What does roslyn do? +
The Roslyn .NET compiler provides C# and Visual Basic languages with rich code analysis APIs.
What language is roslyn written in? +
The primary language is C#. Topics include: csharp, hacktoberfest, roslyn, visual-basic, visual-studio.
Is roslyn actively maintained? +
Yes, the last recorded push was on Sep 28, 2026 with 6,694 open issues being tracked.
How many stars does roslyn have? +
roslyn has 20,689 stars and 4,329 forks on GitHub.
How does roslyn rank among GitHub repositories? +
With 20,689 stars, dotnet/roslyn is ranked #443 globally across all repositories tracked on GitHubRepo and #11 among C# projects.
What license is roslyn distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
