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.
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.
Want to try out SonarQube's commercial editions? Start your 14-day free trial here.
companies change about 20% of their code each year
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.
SonarLint is open source. SonarQube Community Edition is open source. SonarCloud is not an open source product but is entirely free to analyze your open source projects with access to all the features.