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openutau/OpenUtau

Open singing synthesis platform / Open source UTAU successor

C# ◇ music MIT
★4.3KSTARS
⑂558FORKS
!135ISSUES
🏆#1,188GLOBAL RANK
🔥4DAYS TRENDING
🚀
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Star History

Continuous Observations
Interactive star growth chart for openutau/OpenUtau
CSV

Momentum

+108

STARS · LAST 30 DAYS

4

PER DAY

#57

MOST-STARRED C#

Window7 days30 days90 days
Stars gained+28+108+360
Per day444
Forks gained+3+11+28

OpenUtau gained 108 stars in the last 30 days, about 4 a day, and now has 4.3K. It is about 12 years old and has averaged roughly 362 stars a year. It ranks #57 among C# repositories and #1,188 across all languages on GitHubRepo.

Trending Record

OpenUtau has maintained a continuous presence across global trending indexes, peaking at #625. Below is the 30-day activity profile:

💡 Overview

OpenUtau is an open-source project written in C#: Open singing synthesis platform / Open source UTAU successor.

Engineered for speed, consistency, and developer ease, it solves common hurdles in music, openutau, singing-synthesis. 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/openutau/OpenUtau.git
cd OpenUtau

⚙ System Requirements

Platforms

  • • macOS
  • • Linux
  • • Windows

Runtime & Dependencies

C# environment and standard tooling

Architecture

x86_64, ARM64 (Apple Silicon & Graviton)

🧠 How It Works

OpenUtau 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 OpenUtau 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 OpenUtau using your package manager: `git clone https://github.com/openutau/OpenUtau.git`

2

Initialize your project workspace or configuration file for OpenUtau.

3

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

4

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

👍 Strengths

Active community backing with 4,327 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

openutau/OpenUtau is currently ranked #1,188 by stars across every repository tracked on GitHubRepo. These are adjacent projects:

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#1,183 nubjs/nub Rust ★ 4.4K Compare ↗
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#1,186 IvanMurzak/Unity-MCP C# ★ 4.3K Compare ↗
#1,187 binarylogic/authlogic Ruby ★ 4.3K Compare ↗
#1,188 openutau/OpenUtau This Project C# ★ 4.3K
#1,189 kubernetes-sigs/aws-load-balancer-controller Go ★ 4.3K Compare ↗
#1,190 purpleidea/mgmt Go ★ 4.3K Compare ↗
#1,191 GAM-team/GAM Python ★ 4.3K Compare ↗
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Frequently Asked Questions

What does OpenUtau do? +

Open singing synthesis platform / Open source UTAU successor

What language is OpenUtau written in? +

The primary language is C#. Topics include: music, openutau, singing-synthesis, singing-voice-synthesis, speech-synthesis.

Is OpenUtau actively maintained? +

Yes, the last recorded push was on Sep 28, 2026 with 135 open issues being tracked.

How many stars does OpenUtau have? +

OpenUtau has 4,339 stars and 558 forks on GitHub.

How does OpenUtau rank among GitHub repositories? +

With 4,339 stars, openutau/OpenUtau is ranked #1,188 globally across all repositories tracked on GitHubRepo and #57 among C# projects.

What license is OpenUtau distributed under? +

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

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