Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
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Updated
Dec 15, 2025 - Ruby
Automate your code review with style, quality, security, and test‑coverage checks when you need them most. Code quality is intended to keep complexity down and runtime up.
Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites
undercover warns about methods, classes and blocks that were changed without tests, to help you easily find untested code and reduce the number of bugs. It does so by analysing data from git diffs, code structure and SimpleCov coverage reports
A fist full of code metrics
A SkunkScore Calculator for Ruby Code -- Find the most complicated code without test coverage!
Actionable code coverage.
Code Climate engine for code duplication analysis
Comprehensive Rails application visualization and annotation tool - precision optics for the Rails universe
👻 Dead code detector for Puppet
DEPRECATED Uploads Ruby test coverage data to Code Climate
Code Climate Engine for Rubocop
GitHub Action for checking code & Pull Requests for spelling mistakes
🦎Official fastlane plugin for lizard code complexity analytics 🦎
JSON formatter for SimpleCov code coverage tool for ruby 2.4+
📄↔📄 A tool to diff Puppet catalogs
Pronto runner for Undercover, actionable code coverage
Code Climate Engine for bundler-audit
Lint your Haml files in the Code Climate Platform
CommitCheck ensures your commit messages are consistent and contain all required information
a continuous integration service for the pre-commit framework
AI code reviews and security scanning
The Code Health platform - Everything you need to build maintainable and secure software
YAML configs and K8s manifests validation tool
an add-on to github actions which allows safely pushing changes back to pull requests
A software engineering intelligence tool tool to identify and prioritize technical debt and evaluate your efficiency
Code scanning at ludicrous speed. Find bugs and reachable dependency vulnerabilities. Enforce standards on every commit
Pull Request metrics for engineering teams
Test Plan Driven QA Test Management for GitHub
Eliminate visual bugs & regressions
Codacy helps to build effortless code quality and security for developers
Code quality and coverage done right
Automatically fix pull requests to increase developer productivity
PR & DORA metrics, amazing alerts, daily activity summaries