Offical C# port of https://github.com/googlei18n/libphonenumber
⚡ Executive Summary & Quick Facts
Authoritative Sourcelibphonenumber-csharp is libphonenumber-csharp is an open-source project written in C#: Offical C# port of https://github.com/googlei18n/libphonenumber..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), twcclegg/libphonenumber-csharp has accumulated 925 GitHub stars and 158 forks. It is written in C#, licensed under Apache-2.0, and ranks #9,015 globally. It is actively maintained with the latest commit recorded on Nov 3, 2026.”
| Repository | twcclegg/libphonenumber-csharp ↗ |
|---|---|
| Primary Category | csharp |
| Language & Stack | C# |
| Software License | Apache-2.0 |
| Community Traction | ★ 925 stars · ⑂ 158 forks · #9,015 globally |
| Maintenance | ● Active (Last commit: Nov 3, 2026) · 9 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, libphonenumber-csharp is actively maintained. Continuous telemetry recorded the last code commit on Nov 3, 2026 (10 days ago). Supported by 925 stars and 158 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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+23
STARS · LAST 30 DAYS
1
PER DAY
#455
MOST-STARRED C#
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +23 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +3 | +10 |
libphonenumber-csharp gained 23 stars in the last 30 days, about 1 a day, and now has 925. It is about 11 years old and has averaged roughly 84 stars a year. It ranks #455 among C# repositories and #9,015 across all languages on GitHubRepo.
Trending Record
8
DAYS ON TRENDING
#11084
BEST RANK
Nov 2, 2026
FIRST APPEARANCE
Active
STATUS TODAY
libphonenumber-csharp has maintained a continuous presence across global trending indexes, peaking at #11084. Below is the 30-day activity profile:
💡 Overview
libphonenumber-csharp is an open-source project written in C#: Offical C# port of https://github.com/googlei18n/libphonenumber.
Engineered for speed, consistency, and developer ease, it solves common hurdles in csharp, e164, java-source. 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/twcclegg/libphonenumber-csharp.git
cd libphonenumber-csharp⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C# environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
libphonenumber-csharp 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 libphonenumber-csharp 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 Apache-2.0 license.
🚀 Getting Started
Install libphonenumber-csharp using your package manager: `git clone https://github.com/twcclegg/libphonenumber-csharp.git`
Initialize your project workspace or configuration file for libphonenumber-csharp.
Import libphonenumber-csharp into your codebase or invoke it directly from your terminal.
Execute your test suite or run `libphonenumber-csharp --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
twcclegg/libphonenumber-csharp is currently ranked #9,015 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #9,008 | BabylonJS/BabylonNative | C++ | ★ 927 | Compare ↗ |
| #9,008 | DomCR/ACadSharp | C# | ★ 927 | Compare ↗ |
| #9,008 | base/base | Rust | ★ 927 | Compare ↗ |
| #9,013 | sebastiancarlos/beachpatrol | JavaScript | ★ 926 | Compare ↗ |
| #9,013 | ubugeeei-prod/vize | Rust | ★ 926 | Compare ↗ |
| #9,015 | twcclegg/libphonenumber-csharp This Project | C# | ★ 925 | |
| #9,015 | boo-lang/boo | C# | ★ 925 | Compare ↗ |
| #9,015 | DOMjudge/domjudge | PHP | ★ 925 | Compare ↗ |
| #9,015 | mongodb/mongo-php-driver | PHP | ★ 925 | Compare ↗ |
| #9,015 | sugarlabs/musicblocks | JavaScript | ★ 925 | Compare ↗ |
| #9,015 | odpi/egeria | Java | ★ 925 | Compare ↗ |
Frequently Asked Questions
What does libphonenumber-csharp do? +
Offical C# port of https://github.com/googlei18n/libphonenumber
Is libphonenumber-csharp actively maintained in 2026? +
Yes, libphonenumber-csharp is actively maintained. The latest code push was recorded on Nov 3, 2026 (10 days ago). It holds a calculated Maintenance Health Score of 97/100 (A+ rating) with 925 stars and 9 open issues.
What language is libphonenumber-csharp written in? +
The primary language is C#. Topics include: csharp, e164, java-source, libphonenumber, phone-number.
How many stars does libphonenumber-csharp have? +
libphonenumber-csharp has 925 stars and 158 forks on GitHub.
How does libphonenumber-csharp rank among GitHub repositories? +
With 925 stars, twcclegg/libphonenumber-csharp is ranked #9,015 globally across all repositories tracked on GitHubRepo and #455 among C# projects.
What license is libphonenumber-csharp distributed under? +
The repository reports a Apache-2.0 license. Always verify the repository LICENSE file for legal terms.
