SonarLint spots bugs and quality issues as fast as you code.

5 languages supported: C#, VB.Net, C, C++ and Javascript.
Open source, Roslyn based code analyzers.
Deep code analysis algorithms using pattern matching and dataflow analysis
Hundreds of rules, and growing.
Comes with explanations to resolve detected issues.

Get started in seconds

Simply open a file within a project or a solution, start coding, and you will start seeing issues detected by SonarLint.

Visit SonarLint website: https://vs.sonarlint.org

Smart code analysis, on the fly

Detect quality issues as you code
SonarLint gives immediate feedback on bugs, code smells and vulnerabilities.

Remain focused and productive
SonarLint lists issues found in all the files that you updated. It subtly points out these issues so that you can still focus on coding.

Get clear explanations to fix issues
SonarLint provides you with all the information you need to understand and fix issues.

Fully integrated in Visual Studio

SonarLint leverages the .NET Compiler Platform ("Roslyn") to offer a fully integrated Visual Studio experience.

Check the rules to see what SonarLint can do for you:

C#	See rules
VB.NET	See rules
C	See rules
C++	See rules
JavaScript	See rules

SonarQube and SonarCloud connected mode

SonarLint can be connected to a SonarQube server or SonarCloud to share rulesets, get event notifications and use a resolution flow.
Learn more about SonarQube.

Have question or feedback?

To provide feedback (request a feature, report a bug etc.), simply create a GitHub Issue. Alternatively you can use SonarLint Google Group or StackOverflow.

How to contribute

Check out the contributing page to see the best places to log issues and start discussions.

License

Copyright 2016-2017 SonarSource.
Licensed under the GNU Lesser General Public License, Version 3.0