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Free and open source solutions to Clean Code at every step

For coding

Analyze your code in real time as you type in your IDE and get live feedback & guidance. Always free and available in your IDE marketplace.

In your ideFree SonarLint install

For reviewing and promoting

Review and report on code changes, pull requests, entire projects in each branch, and groups of projects. Evaluate new code against a set of criteria to provide a go/no-go for production.

Self-ManagedGet SonarQube freeor
SaaSTry SonarCloud

Want to try out SonarQube's commercial editions? Start your 14-day free trial here.

Companies change 20% of their code each year

Industry standard

20%

of the overall code is clean after 1 year

35%

of the overall code is clean after 2 years

50%

of the overall code is clean after 5 years

Frequently asked questions

SonarLint is completely free. SonarQube Community Edition is free. All other SonarQube editions are commercial and require a paid license. SonarCloud is entirely free for all open source projects. You only pay if you want to analyze private repositories.