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SonarQube can be used by the development team and in external reviews. It can analyse and manage the code in more than 25 programming languages, including Java, Python, JavaScript, Swift, PHP, C, C++, C#, PL/SQL, Ruby, etc., but also HTML, XML, and CSS. More than 50 plugins extend its functionality.

How it works

SonarQube reads the source code from the repositories or local files, analyses them with dedicated scanners, calculates metrics, stores the findings in a database, and shows the results on its web dashboard. The outcomes of the analysis are quality measures and individually detected issues, which are instances where coding rules were broken. It can analyse source code in several ways:


SonarQube is distributed under the GNU LGPL license version 3. It is maintained by SonarSource.

What it provides

SonarQube uses the software version, time or date defined period to identify the new code. The new code typically introduces the new problems, particularly if the previously written code has been in production and was pruned for errors by more extensive testing, usage, and maintenance. The new code perspective allows the developers to focus on the code they add or change, instead of looking at the debt that is already in the system and thus quickly spot and early fixed new issues.