It was formerly under an MIT license and Synopsys bought them and changed it to CC-NC-BY, meaning only allowed for non-commercial usage, and so explicitly not a

It was formerly under an MIT license and Synopsys bought them and changed it to CC-NC-BY, meaning only allowed for non-commercial usage, and so explicitly not an open source license. Also note that Creative Commons recommends against using their licenses for code: https://creativecommons.org/faq/#can-i-apply-a-creative-commons-license-to-software https://creativecommons.org/faq/#can-i-apply-a-creative-comm... Brakeman is an extremely capable and important security scanner for Ruby on Rails.