I've got a bunch of plugins on my website, a couple of which are reasonably stable and mature. (OK, so they're built against 1.2 at the moment.) Who decides on the offical plugin list?
For the interested, check out wideangle, degrain, and DBP (and maybe Cineon/DPX, although that's fairly specialised) at:
http://members.ozemail.com.au/~hodsond/ -- David Hodson -- this night wounds time