Blender Addons

I'm sure many of you may have seen this new addon advertised over at Blendernation, but in case you haven't it's called Zero Brush. The short video really got me going.   You can check it out here... [You must be registered and logged in to see this link.]

I'm looking into the rest of the offerings there too. Looks interesting, but I wouldn't mind some opinions on the matter. I like some of the changes that are offered in the Sensi Format, but I'm wondering if they might hinder me since I'm not familiar with all of Blenders functionality in the first place.

With all this stuff in mind, does anyone have any other addons that you really like? I'm sure there are plenty out there! Post 'em up!!

The only addons I use are ones that are included with blender I think. I mostly use the loop tools addon and the F2 addon.