> Are there any fun lab projects, posts, educational series targeted at FreeBSD?

Klara Systems [0], Vermaden [1] and IT Notes [2] seems to be the most active and popular.

- [0] https://klarasystems.com/articles/

- [1] https://vermaden.wordpress.com/posts/

- [2] https://it-notes.dragas.net/categories/freebsd/