Highly Performant & Scalable Ultima Online Server Emulator
⚡ Executive Summary & Quick Facts
Authoritative SourceModernUO is ModernUO is an open-source project written in C#: Highly Performant & Scalable Ultima Online Server Emulator..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), modernuo/ModernUO has accumulated 363 GitHub stars and 240 forks. It is written in C#, licensed under GPL-3.0, and ranks #14,513 globally. It is actively maintained with the latest commit recorded on Nov 2, 2026.”
| Repository | modernuo/ModernUO ↗ |
|---|---|
| Primary Category | c sharp |
| Language & Stack | C# |
| Software License | GPL-3.0 |
| Community Traction | ★ 363 stars · ⑂ 240 forks · #14,513 globally |
| Maintenance | ● Active (Last commit: Nov 2, 2026) · 52 open issues |
| Target Audience | Developers and engineering teams building with C#, seeking reliable, tested, and actively maintained tooling for production workloads. |
🛡️ Repository Maintenance & Health Audit (2026)
Health Score: 97/100 · Grade A+Yes, ModernUO is actively maintained. Continuous telemetry recorded the last code commit on Nov 2, 2026 (11 days ago). Supported by 363 stars and 240 community forks, this repository holds a calculated health index of 97/100, reflecting very active (commits within last 14 days) and healthy issue cadence.
Star History
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+6
STARS · LAST 30 DAYS
1
PER DAY
#781
MOST-STARRED C#
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +6 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +7 | +12 |
ModernUO gained 6 stars in the last 30 days, about 1 a day, and now has 363. It is about 8 years old and has averaged roughly 45 stars a year. It ranks #781 among C# repositories and #14,513 across all languages on GitHubRepo.
Trending Record
44
DAYS ON TRENDING
#1671
BEST RANK
Sep 24, 2026
FIRST APPEARANCE
Active
STATUS TODAY
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
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/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
Install ModernUO using your package manager: `git clone https://github.com/modernuo/ModernUO.git`
Initialize your project workspace or configuration file for ModernUO.
Import ModernUO into your codebase or invoke it directly from your terminal.
Execute your test suite or run `ModernUO --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
modernuo/ModernUO is currently ranked #14,513 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #14,491 | autogluon/tabarena | Python | ★ 364 | Compare ↗ |
| #14,491 | raydium-io/raydium-amm | Rust | ★ 364 | Compare ↗ |
| #14,491 | matrixhub-ai/matrixhub | Go | ★ 364 | Compare ↗ |
| #14,491 | pdcgomes/redlamp | Swift | ★ 364 | Compare ↗ |
| #14,491 | Graphicle-AI/graphicle | Rust | ★ 364 | Compare ↗ |
| #14,513 | modernuo/ModernUO This Project | C# | ★ 363 | |
| #14,513 | nesquena/cap-recipes | Ruby | ★ 363 | Compare ↗ |
| #14,513 | jimweirich/builder | Ruby | ★ 363 | Compare ↗ |
| #14,513 | cuviper/ssh-pageant | C | ★ 363 | Compare ↗ |
| #14,513 | felixge/node-couchdb | JavaScript | ★ 363 | Compare ↗ |
| #14,513 | cvmfs/cvmfs | C++ | ★ 363 | Compare ↗ |
Frequently Asked Questions
What does ModernUO do? +
Highly Performant & Scalable Ultima Online Server Emulator
Is ModernUO actively maintained in 2026? +
Yes, ModernUO is actively maintained. The latest code push was recorded on Nov 2, 2026 (11 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 363 stars and 52 open issues.
What language is ModernUO written in? +
The primary language is C#. Topics include: c-sharp, csharp, csharp-core, dotnet, dotnet-core.
How many stars does ModernUO have? +
ModernUO has 363 stars and 240 forks on GitHub.
How does ModernUO rank among GitHub repositories? +
With 363 stars, modernuo/ModernUO is ranked #14,513 globally across all repositories tracked on GitHubRepo and #781 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.
