Any repository without a LICENSE file or license grant in code or README, and I could create one in a few minutes.

GitHub and GitCode do not provide an easy way to search for these, so you will have to scrape the API and clone the repos to find out the ratio of FOSS/restrictive/no license.

Only two repos of mine were clones there, no idea what is the criteria but if it's about stars, then 15 and 12 seem pretty low threshold.

My repos had their open source license available, so I guess we'll need to wait to see actual examples of illicit copies.

I wonder what they do with the user accounts though, might I be able to access it somehow? Or someone else..