Best Code Quality Products in 2025

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

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

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 fully pluggable JavaScript code quality tool

Open Source

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

Open Source

Source-Navigator NG is a source code analysis tool.

PHP Project Quality Done Right.

Develop healthier code using Codecov's leading, dedicated code coverage solution. Try it free

Combines a powerful Code Editor together with an impressive array of static analysis tools that will change the way you work with code.

paid Free Trial

Pylint is a Python source code analyzer which looks for programming errors.

Automated code review for Swift