Wikipedia: „Lemmy (social network) - Open source social media software“

Also: „Social media are interactive technologies that facilitate the creation, sharing and aggregation of content (such as ideas, interests, and other forms of expression) amongst virtual communities and networks.“ How does Lemmy not fit that description?

The GDPR is a regulation (that’s what the R stands for), not a directive. Directives must be transposed into national law by the member states, while regulations apply directly