SimonCropp/Polyfill
Source only package that exposes newer APIs, .net features, and C# features to older runtimes.
⚡ Executive Summary & Quick Facts
Authoritative SourcePolyfill is Polyfill is an open-source project written in C#: Source only package that exposes newer APIs, .net features, and C# features to older runtimes..
“According to real-time open source telemetry recorded on GitHubRepo.cloud (as of November 2026), SimonCropp/Polyfill has accumulated 492 GitHub stars and 48 forks. It is written in C#, licensed under MIT, and ranks #12,651 globally. It is actively maintained with the latest commit recorded on Oct 14, 2026.”
| Repository | SimonCropp/Polyfill ↗ |
|---|---|
| Primary Category | developer tools |
| Language & Stack | C# |
| Software License | MIT |
| Community Traction | ★ 492 stars · ⑂ 48 forks · #12,651 globally |
| Maintenance | ● Active (Last commit: Oct 14, 2026) · 0 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: 88/100 · Grade AYes, Polyfill is actively maintained. Continuous telemetry recorded the last code commit on Oct 14, 2026 (31 days ago). Supported by 492 stars and 48 community forks, this repository holds a calculated health index of 88/100, reflecting regular maintenance (31 days ago) and healthy issue cadence.
Star History
Add Live Star History & Verified Badges to README.md
Keep your repository README looking professional and dynamic. As our continuous crawler records new stars, these official SVG badges update in real time with zero maintenance.
Renders your high-resolution star trajectory chart right inside your GitHub README or project docs.
[](https://githubrepo.cloud/repo/SimonCropp/Polyfill?utm_source=readme_chart)Compact badges for your README header. Real-time stars, velocity, health audit, and rank.
[](https://githubrepo.cloud/repo/SimonCropp/Polyfill?utm_source=readme_badge) [](https://githubrepo.cloud/repo/SimonCropp/Polyfill?utm_source=readme_badge) [](https://githubrepo.cloud/repo/SimonCropp/Polyfill?utm_source=readme_badge) [](https://githubrepo.cloud/repo/SimonCropp/Polyfill?utm_source=readme_badge) [](https://githubrepo.cloud/repo/SimonCropp/Polyfill?utm_source=readme_badge)Momentum
+0
STARS · LAST 30 DAYS
1
PER DAY
#669
MOST-STARRED C#
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +0 | +0 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +0 | +0 | +10 |
Polyfill gained 0 stars in the last 30 days, about 1 a day, and now has 492. It is about 4 years old and has averaged roughly 123 stars a year. It ranks #669 among C# repositories and #12,651 across all languages on GitHubRepo.
Trending Record
42
DAYS ON TRENDING
#3698
BEST RANK
Sep 28, 2026
FIRST APPEARANCE
Active
STATUS TODAY
Polyfill has maintained a continuous presence across global trending indexes, peaking at #3698. Below is the 30-day activity profile:
💡 Overview
Polyfill is an open-source project written in C#: Source only package that exposes newer APIs, .net features, and C# features to older runtimes.
Engineered for speed, consistency, and developer ease, it solves common hurdles in C#. 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/SimonCropp/Polyfill.git
cd Polyfill⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C# environment and standard tooling
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
Polyfill 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 Polyfill 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 Polyfill using your package manager: `git clone https://github.com/SimonCropp/Polyfill.git`
Initialize your project workspace or configuration file for Polyfill.
Import Polyfill into your codebase or invoke it directly from your terminal.
Execute your test suite or run `Polyfill --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
SimonCropp/Polyfill is currently ranked #12,651 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #12,638 | crumbhole/argocd-lovely-plugin | Go | ★ 493 | Compare ↗ |
| #12,638 | ikhsan3adi/absensi-sekolah-qr-code | PHP | ★ 493 | Compare ↗ |
| #12,638 | DigitallyRefined/android-ip-camera | Kotlin | ★ 493 | Compare ↗ |
| #12,638 | tribixbite/CleverKeys | Kotlin | ★ 493 | Compare ↗ |
| #12,638 | aerovato/operator-memory | TypeScript | ★ 493 | Compare ↗ |
| #12,651 | SimonCropp/Polyfill This Project | C# | ★ 492 | |
| #12,651 | kemayo/maphilight | Python | ★ 492 | Compare ↗ |
| #12,651 | flamingock/flamingock-java | Java | ★ 492 | Compare ↗ |
| #12,651 | lerboe/nuage-macos | Swift | ★ 492 | Compare ↗ |
| #12,651 | premohq/PlayTendoh | C++ | ★ 492 | Compare ↗ |
| #12,651 | DZakh/sury | TypeScript | ★ 492 | Compare ↗ |
Frequently Asked Questions
What does Polyfill do? +
Source only package that exposes newer APIs, .net features, and C# features to older runtimes.
Is Polyfill actively maintained in 2026? +
Yes, Polyfill is actively maintained. The latest code push was recorded on Oct 14, 2026 (31 days ago). It holds a calculated Maintenance Health Score of 88/100 (A rating) with 492 stars and 0 open issues.
What language is Polyfill written in? +
The primary language is C#. Topics include: software.
How many stars does Polyfill have? +
Polyfill has 492 stars and 48 forks on GitHub.
How does Polyfill rank among GitHub repositories? +
With 492 stars, SimonCropp/Polyfill is ranked #12,651 globally across all repositories tracked on GitHubRepo and #669 among C# projects.
What license is Polyfill distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
