The "meta" link in this list points to meta.webapps.stackexchange.com, though. It that by design? It seems odd to have a list that contains both the top-level Stack Overflow properties along with the single site-specific Meta site.
Indeed, this is by design. All future Stack Exchange 2.0 network sites will have their own site-specific meta from day one, and for the rest of the life of the site.
In analogy terms, using USA politics: