simplecov-ruby/simplecov
Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
Star History
Momentum
+123
STARS · LAST 30 DAYS
4
PER DAY
#34
MOST-STARRED Ruby
| Window | 7 days | 30 days | 90 days |
|---|---|---|---|
| Stars gained | +28 | +123 | +360 |
| Per day | 4 | 4 | 4 |
| Forks gained | +3 | +12 | +29 |
simplecov gained 123 stars in the last 30 days, about 4 a day, and now has 4.9K. It is about 16 years old and has averaged roughly 308 stars a year. It ranks #34 among Ruby repositories and #1,101 across all languages on GitHubRepo.
Trending Record
3
DAYS ON TRENDING
#1303
BEST RANK
Sep 26, 2026
FIRST APPEARANCE
Active
STATUS TODAY
simplecov has maintained a continuous presence across global trending indexes, peaking at #1303. Below is the 30-day activity profile:
💡 Overview
simplecov is an open-source project written in Ruby: Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites.
Engineered for speed, consistency, and developer ease, it solves common hurdles in code-quality, coverage, coverage-library. 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 Ruby 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/simplecov-ruby/simplecov.git
cd simplecov⚙ System Requirements
Platforms
- • macOS
- • Linux
- • Windows
Runtime & Dependencies
Ruby >= 3.1 with Bundler
Architecture
x86_64, ARM64 (Apple Silicon & Graviton)
🧠 How It Works
simplecov coordinates its core functionality through a modular Ruby 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
Autonomous AI Agents
Orchestrate intelligent workflows and tool-calling routines with simplecov.
Model Inference & Prompting
Integrate fast, local or cloud-hosted generative AI models directly into production code.
Context Memory & RAG
Augment language models with dynamic vector retrieval and structured project memory.
Developer Productivity
Automate repetitive engineering tasks, code generation, and test creation using AI agents.
🚀 Getting Started
Install simplecov using your package manager: `git clone https://github.com/simplecov-ruby/simplecov.git`
Initialize your project workspace or configuration file for simplecov.
Import simplecov into your codebase or invoke it directly from your terminal.
Execute your test suite or run `simplecov --help` to verify successful setup.
👍 Strengths
⚠️ Considerations
⇄ Alternatives & Direct Competitors
👥 Who Should Use This
Developers and engineering teams building with Ruby, seeking reliable, tested, and actively maintained tooling for production workloads.
🏆 Nearby in the Rankings
simplecov-ruby/simplecov is currently ranked #1,101 by stars across every repository tracked on GitHubRepo. These are adjacent projects:
| Rank | Repository | Language | Stars | Action |
|---|---|---|---|---|
| #1,096 | spring-cloud/spring-cloud-netflix | Java | ★ 5K | Compare ↗ |
| #1,097 | open-telemetry/opentelemetry-collector-contrib | Go | ★ 5K | Compare ↗ |
| #1,097 | apache/iggy | Rust | ★ 5K | Compare ↗ |
| #1,099 | aipoch/open-science | TypeScript | ★ 4.9K | Compare ↗ |
| #1,100 | Ocramius/ProxyManager | PHP | ★ 4.9K | Compare ↗ |
| #1,101 | simplecov-ruby/simplecov This Project | Ruby | ★ 4.9K | |
| #1,102 | fallow-rs/fallow | Rust | ★ 4.9K | Compare ↗ |
| #1,103 | NVIDIA/Model-Optimizer | Python | ★ 4.9K | Compare ↗ |
| #1,104 | spring-cloud/spring-cloud-gateway | Java | ★ 4.9K | Compare ↗ |
| #1,105 | micrometer-metrics/micrometer | Java | ★ 4.9K | Compare ↗ |
| #1,106 | github/explore | Ruby | ★ 4.9K | Compare ↗ |
Frequently Asked Questions
What does simplecov do? +
Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
What language is simplecov written in? +
The primary language is Ruby. Topics include: code-quality, coverage, coverage-library, coverage-report, rails.
Is simplecov actively maintained? +
Yes, the last recorded push was on Sep 24, 2026 with 0 open issues being tracked.
How many stars does simplecov have? +
simplecov has 4,927 stars and 578 forks on GitHub.
How does simplecov rank among GitHub repositories? +
With 4,927 stars, simplecov-ruby/simplecov is ranked #1,101 globally across all repositories tracked on GitHubRepo and #34 among Ruby projects.
What license is simplecov distributed under? +
The repository reports a MIT license. Always verify the repository LICENSE file for legal terms.
