Is Linux from Finland or from the USA? If someting is open source and has a global contributor base and no single entity can subvert it, then I don’t really think the country matters. But it there is one entity that controls it, then it matters where it is from and what jurisdiction and what policies apply on it.

It is a screenshot of the filter option that allows to select both “European” and “open source” for people like who want both.

Elsewhere people seem to be recommending https://euro-stack.com/ as the most comprehensive directory