C#

clean C# code for your projects

Hundreds of unique rules to find C# issues that can lead to bugs, code smells & vulnerabilities

your passion is C#, our passion is Clean Code

Sonar static analysis helps you build and maintain high-quality clean C# code. Covering popular build systems, standards and versions, Sonar elevates your coding game while keeping vulnerabilities at bay.

Vulnerability detected in C Sharp code
425+ dedicated rules

your palette. covered.

See All C# Rules -->

Latest standards

With each C# version, we create dedicated rules to cover the latest language standards.

Learn More

VB.NET support

Sonar capability extends to VB.NET so your whole project will contain clean code.

Learn More

Quick fixes

Allow you to effortlessly repair your C# coding issues with just a click.

Learn More

Full Stack Support

Sonar supports popular web technologies with rules covering complementary languages including TypeScript, JavaScript and T-SQL.

Learn More
reduce risk

own the security of your C# code

Dedicated rules to detect vulnerabilities including ones frequently occurring in the OWASP and CWE guidelines.

See All C# Rules -->
Image is representing developers and their code in a secure environment free of potential code vulnerabilities.

SonarQube code analysis finds issues while you focus on the work

It all comes from a powerful static analysis engine that we constantly refine. SonarQube employs advanced rules along with smart, exclusive static code analysis techniques to find the trickiest, most elusive issues, code smells, and security vulnerabilities.

Download SonarQube Now -->
code review with issues such as bugs, vulnerabilities, security hotspots and code smells.

precise static code analysis

Deep static analysis of your code through symbolic execution, path sensitive analysis & cross-function/cross file analysis.

fast issue resolution

Issue contextualization with secondary locations highlighted and clear remediation guidance helps you understand and construct a fix.

minimal distractions

Automatic pull request analysis with results decorated in your favorite DevOps platform so you stay in the zone.

The Best Way to Code C# Better

start with clean code. end with innovation.

Sonar brings clean C# code to where your code lives. Sonar is tightly integrated with your development workflow to feed you the right info at the right time and place.

For you

in your IDE

SonarLint in your IDE is your first line of defense for keeping the code you write today clean and safe. Issues are raised in-line with clear rule descriptions and guidance.

With SonarLint, the impact is immediate and no configuration is required. You learn from the real-time feedback provided and quickly resolve issues with contextual guidance and automatic Quick Fixes!

SonarLint is available from your IDE marketplace:

Visual Studio | Rider

Explore SonarLint -->
Sonar works in your Jetbrains, VS Code, Visual Studio and Eclipse IDE's
For your team

in your workflow

Automatically analyze Pull Requests and feature branches with the results decorated in the DevOps platform of your choice.

Your team can share rule configurations and exclusions across projects and coalesce on a shared definition of excellence. The project Quality Gate is visible to everyone and the releasabity status is clear.

SonarCloud tightly integrates with these popular platforms:
GitHub | Bitbucket | Azure DevOps | GitLab

Try SonarCloud for Free -->
refactoring bits of code and quality checks are shown as an abstract of a developers environment.
Increase the Value of Your Software

make each release better than the one before

Sonar empowers developers to write Clean Code

As a developer, your priority is making sure the C# code you write today is readable, clean and safe. The SonarQube project homepage highlights the health of your New Code (changed or added) so you’ll clearly know when your code is solid.

Learn More

Quality Gates show your project Releasability

Out of the box, the Sonar Quality Gate clearly signals whether your commits are clean and your projects are releasable. A quality gate coalesces the team around a consistent, shared vision of quality. Everyone knows the coding standard of excellence and whether it’s being met.

Learn More

we support your workflow

Background image of bits of code connecting to each other

start cleaning your code now

Self-managed app -->SaaS App -->
  • Follow SonarSource on Twitter
  • Follow SonarSource on Linkedin

© 2008-2023, SonarSource S.A, Switzerland. All content is copyright protected. SONAR, SONARSOURCE, SONARLINT, SONARQUBE and SONARCLOUD are trademarks of SonarSource SA. All other trademarks and copyrights are the property of their respective owners. All rights are expressly reserved.