The best free alternative to SonarQube is Codacy. It's not free, so if you're looking for a free alternative, you could try Codacy or Shellcheck. If that doesn't suit you, our users have ranked more than 25 alternatives to SonarQube and 18 is free so hopefully you can find a suitable replacement. Other interesting free alternatives to SonarQube are Coverity Scan, Flawfinder, SAST Online and Code Climate.
Automatically reviews code style, security, duplication, complexity, and coverage on every change while tracking code quality throughout your sprints.
Cppcheck is an static analysis tool for C/C++ code. Unlike C/C++ compilers and many other analysis tools it does not detect syntax errors in the code. Cppcheck primarily detects the types of bugs that the compilers normally do not detect.
Coverity Scan Static Analysis allows to find and fix defects in your Java, C/C++ or C# open source project for free.
Flawfinder examines C/C++ source code and reports possible security weaknesses ("flaws'') sorted by risk level. It's very useful for quickly finding and removing at least some potential security problems before a program is widely released to the public.
SAST Online has come a long way from its beginnings for Global. SAST online targeted to analyse your code without installing or opening terminal.
Code Climate’s engineering process insights and automated code review for GitHub and GitHub Enterprise help you ship better software, faster.
SensioLabsInsight is a quality assurance tool that analyzes your source code to find problems that degrade the overall quality of your projects. It can analyze any application developed with PHP, but it's specially designed to perform advanced analysis of Symfony2...
PhpMetrics provides metrics about PHP project and classes, with beautiful and readable HTML report.
Landscape is an early warning system for the Python codebase. It integrates into GitHub, uses the Prospector code analysis tool for Python, and aggregates the analysis results nicely.
Find and fix bug risks, anti-patterns, performance issues, security flaws automatically during code reviews. In addition, DeepSource automatically fixes some of the most commonly occurring issues. It works for Python, Go, Ruby, and JavaScript.
Codegrip is an automated code review SaaS platform that helps developers to save time in code reviews and to tackle technical debt efficiently.
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Measure evaluation of the code quality over time.