Best Code Coverage Products in 2025

The fully pluggable JavaScript code quality tool

Open Source

SonarQube, a core component of the Sonar solution, is an open source, self-managed tool that systematically helps developers and organizations deliver Clean Code.

Open Source freemium $150.0 / Annually

An opinionated code formatter

Open Source

Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.

Code Climate provides automated code review for your apps, letting you fix quality and security issues before they hit production. We check every commit, branch and pull request for changes in quality and potential vulnerabilities.

Open Source

Find and fix defects in your Java, C/C++ or C# open source project for free

Automated Code Review for GitHub & BitBucket

Source Insight is a programming editor & code browser with built-in live analysis for C/C++, C#, Java, and more; helping you understand large projects.

The industry’s most comprehensive AppSec platform, Checkmarx One is fast, accurate, and accelerates your business.

Automated code review for Swift

Coveralls is a code coverage history and tracking tool that tests coverage reports and statistics for engineering teams.

Open Source

Cppcheck is an analysis tool for C/C++ code. It detects the types of bugs that the compilers normally fail to detect. The goal is no false positives. CppCheckDownload cppcheck for free.

Open Source

ReSharper is a productivity tool for visual studio that provides tools and features to help you manage your code.