What are the best Plug-In Development Companies..

[StarCity]

What are the best Adobe plug-in development companies. Adobe's website lists all of them but they are very hard to index.

I am impressed with Art+Logic and would like to know if there are any other that you would recommend.

Specifically companies that do Photoshop plug-ins.

[801]

Alien Skin (http://www.alienskin.com/) plug-ins are a favorite, and probably is one of the most widely used.

[phenn]

Seconded, 801. Alien Skin produces eye-poppers indeed.

Also, this site (http://www.freephotoshop.com/) is a good resource for freebies and reviews.