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IndustryOpensource Software
  • Freddy Mallet
  • Olivier Gaudin
  • Simon Brandhof
Area served
WebsiteOfficial website

SonarSource is a company that develops open source software for continuous code quality. Founded by Freddy Mallet, Olivier Gaudin, and Simon Brandhof in 2008, SonarSource is headquartered in Geneva, Switzerland.[1][2][3][4][5][6][7] The main product of the company named “SonarQube” is a free open source platform to do automatic code reviews, with different paid extensions. The Enterprise package from SonarSource attracted around 900 customers, including eBay, Bank of America, BMW.[7]


SonarSource provides code quality and security solutions to detect maintainability, reliability and vulnerability issues on 20 programming languages including Java, C#, JavaScript, C/C++, COBOL.Their solutions are built on top of a paradigm to manage technical debt “the water leak” which means putting the focus on the “new” code; that is, the code that was added or changed since the last release, or the last commit/check-in.[8][9]

Financial Backing[edit]

In 2016, the company raised $45 million of funding from Insight Venture Partners, a US investment firm.[7][5][6][10]


  1. ^ "Compuware and SonarSource Add COBOL Testing to DevOps". Database Trends and Applications. 2018-01-22. Retrieved 2018-02-08.
  2. ^ Mens, Tom; Serebrenik, Alexander; Cleve, Anthony (2014-01-08). Evolving Software Systems. Springer Science & Business Media. p. 92. ISBN 9783642453984.
  3. ^ "Compuware e Sonarsource, insieme per promuovere l'agilità digitale delle aziende | ZeroUno". ZeroUno (in Italian). 2018-01-18. Retrieved 2018-02-08.
  4. ^ Hüttermann, Michael (2012-09-12). DevOps for Developers. Apress. p. 54. ISBN 9781430245698.
  5. ^ a b "Une entreprise genevoise lève 45 millions de dollars" (in French). Retrieved 2018-02-08.
  6. ^ a b "La société genevoise SonarSource lève 45 millions de dollars". (in French). Retrieved 2018-02-08.
  7. ^ a b c "Qui est l'éditeur genevois SonarSource qui a levé 45 millions?". (in French). Retrieved 2018-02-08.
  8. ^ "Sonar Quality Dashboard 3.0: New Commercial Editions And The Developer's Cockpit". InfoQ. Retrieved 2018-02-08.
  9. ^ Arapidis, Charalampos (2012-08-24). Sonar Code Quality Testing Essentials. Packt Publishing Ltd. ISBN 9781849517874.
  10. ^ "Term Sheet -- Wednesday, November 30". Fortune. Retrieved 2018-02-08.