CII Best Practices Badging – From The Linux Foundation, the Core Infrastructure Initiative (CII) Best Practices badge is a way for Free/Libre and Open Source Software (FLOSS) projects to show that they follow best practices. Projects can voluntarily self-certify for free by using this web application to explain how they follow each best practice.https://bestpractices.coreinfrastructure.org/
CodeClimate – Code Climate empowers organizations to take control of their code quality by incorporating fully configurable test coverage and maintainability data throughout the development workflow. It’s free for open source projects!https://codeclimate.com/