Star History
Momentum
+17
STARS · LAST 30 DAYS
1
PER DAY
#27
MOST-STARRED C
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +7 | +17 | +90 |
| Per day | 1 | 1 | 1 |
| Forks gained | +1 | +3 | +10 |
cool.io gained 17 stars in the last 30 days, about 1 a day, and now has 689. It is about 18 years old and has averaged roughly 38 stars a year. It ranks #27 among C repositories and #3,152 across all languages on GitHubRepo.
Trending Record
4
DAYS ON TRENDING
#1888
BEST RANK
Sep 25, 2026
FIRST APPEARANCE
Active
STATUS TODAY
cool.io has maintained a continuous presence across global trending indexes, peaking at #1888. Below is the 30-day activity profile:
💡 Overview
cool.io is an open-source project written in C: Simple evented I/O for Ruby.
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/socketry/cool.io.git
cd cool.io
⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
C99 or C11 compiler with CMake / make
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
cool.io 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 cool.io 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 cool.io using your package manager: `git clone https://github.com/socketry/cool.io.git`
Initialize your project workspace or configuration file for cool.io.
Import cool.io into your codebase or invoke it directly from your terminal.
Execute your test suite or run `cool.io --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
socketry/cool.io is currently ranked #3,152 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #3,147 | iandiv/AppGroup | C# | ★ 691 | Compare ↗ |
| #3,148 | chef/ohai | Ruby | ★ 690 | Compare ↗ |
| #3,148 | nusmodifications/nusmods | JavaScript | ★ 690 | Compare ↗ |
| #3,148 | kitknox/rootshell | Swift | ★ 690 | Compare ↗ |
| #3,148 | trailofbits/coop | Rust | ★ 690 | Compare ↗ |
| #3,152 | socketry/cool.io This Project | C | ★ 689 | |
| #3,153 | fnando/kitabu | Ruby | ★ 688 | Compare ↗ |
| #3,153 | scylladb/scylla-rust-driver | Rust | ★ 688 | Compare ↗ |
| #3,153 | floci-io/floci-az | Java | ★ 688 | Compare ↗ |
| #3,156 | char0n/ramda-adjunct | JavaScript | ★ 687 | Compare ↗ |
| #3,156 | OFFTKP/felix86 | C++ | ★ 687 | Compare ↗ |
Frequently Asked Questions
What does cool.io do? +
Simple evented I/O for Ruby.
What language is cool.io written in? +
The primary language is C. Topics include: software.
Is cool.io actively maintained? +
Yes, the last recorded push was on Sep 5, 2026 with 0 open issues being tracked.
How many stars does cool.io have? +
cool.io has 689 stars and 49 forks on GitHub.
How does cool.io rank among GitHub repositories? +
With 689 stars, socketry/cool.io is ranked #3,152 globally across all repositories tracked on GitHubRepo and #27 among C projects.
What license is cool.io distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.