[innoying]

CodeQL is based on an existing product from a company called Semmle which GitHub acquired in late 2019 [1]

They have been part of GitHub for barely a year so it's not too surprising, especially given they are continuing to support the product for the enterprise customers they had previously not just GitHub.

[1] https://techcrunch.com/2019/09/18/github-acquires-code-analy...