Phycopure and DT's are live as well. I used Dr G a few times, but don't see it anymore, locally. Phycopure seems to do well though, and is about the only one I can reliably get.
One of my LFS
was making his own that I used for a bit too, but I didn't feel secure that it was as good as what's available retail. It's also the kind of thing that is hard to gauge effectiveness, so I've always gone with the purchased variety.
Beautiful Basket star, will he constantly roam like other stars?