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modernuo
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modernuo/ModernUO

Highly Performant & Scalable Ultima Online Server Emulator

C# ◇ c-sharp GPL-3.0
★356STARS
⑂231FORKS
!48ISSUES
🏆#4,180GLOBAL RANK
🔥5DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for modernuo/ModernUO
CSV

Momentum

+10

STARS · LAST 30 DAYS

1

PER DAY

#261

MOST-STARRED C#

Window7 days30 days90 days
Stars gained+7+10+90
Per day111
Forks gained+1+5+12

ModernUO gained 10 stars in the last 30 days, about 1 a day, and now has 356. It is about 8 years old and has averaged roughly 45 stars a year. It ranks #261 among C# repositories and #4,180 across all languages on GitHubRepo.

Trending Record

ModernUO has maintained a continuous presence across global trending indexes, peaking at #1671. Below is the 30-day activity profile:

💡 Overview

ModernUO is an open-source project written in C#: Highly Performant & Scalable Ultima Online Server Emulator.

Engineered for speed, consistency, and developer ease, it solves common hurdles in c-sharp, csharp, csharp-core. 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/modernuo/ModernUO.git
cd ModernUO

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

C# environment and standard tooling

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

ModernUO 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 ModernUO 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 GPL-3.0 license.

🚀 Getting Started

1

Install ModernUO using your package manager: `git clone https://github.com/modernuo/ModernUO.git`

2

Initialize your project workspace or configuration file for ModernUO.

3

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

4

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

👍 Strengths

Active community backing with 355 GitHub stars and verified adoption.
Permissive open-source distribution under the GPL-3.0 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.

⇄ Alternatives & Direct Competitors

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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

modernuo/ModernUO is currently ranked #4,180 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

RankRepositoryLanguageStarsAction
#4,174 exercism/problem-specifications Ruby ★ 358 Compare ↗
#4,174 dry-rb/dry-cli Ruby ★ 358 Compare ↗
#4,174 magento/inventory PHP ★ 358 Compare ↗
#4,174 devswha/patina JavaScript ★ 358 Compare ↗
#4,174 REBEL-ROOT/omni-browser Kotlin ★ 358 Compare ↗
#4,180 modernuo/ModernUO This Project C# ★ 356
#4,180 dhis2/dhis2-core Java ★ 356 Compare ↗
#4,180 un-ts/prettier TypeScript ★ 356 Compare ↗
#4,180 ghostbyte-dev/pixelix Kotlin ★ 356 Compare ↗
#4,180 no-faff/InstallerClean C# ★ 356 Compare ↗
#4,185 wise-old-man/wise-old-man TypeScript ★ 355 Compare ↗

Frequently Asked Questions

What does ModernUO do? +

Highly Performant & Scalable Ultima Online Server Emulator

What language is ModernUO written in? +

The primary language is C#. Topics include: c-sharp, csharp, csharp-core, dotnet, dotnet-core.

Is ModernUO actively maintained? +

Yes, the last recorded push was on Sep 26, 2026 with 48 open issues being tracked.

How many stars does ModernUO have? +

ModernUO has 356 stars and 231 forks on GitHub.

How does ModernUO rank among GitHub repositories? +

With 356 stars, modernuo/ModernUO is ranked #4,180 globally across all repositories tracked on GitHubRepo and #261 among C# projects.

What license is ModernUO distributed under? +

The repository reports a GPL-3.0 license. Always verify the repository LICENSE file for legal terms.

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