First of all, I love your addon, and I've been using for a couple of months by now, slowly convincing more guild members to install it as well. However some of our guild members prefer checking for crafters on our guild forum, where we have lists of crafters with their recipes for each crafting profession. Obviously those lists are annoying to maintain so they are constantly incomplete and out of date.

Since GuildCraft already holds all the necessary data, could there be an export feature added? It could use the automatic tooltips supplied by Wowhead (http://www.wowhead.com/?powered), similar to the phpBB code generated by HeadCount. I'm thinking about an output format looking like this:

[b]Cooking[/b]
[list]
[*][item]Delicious Chocolate Cake[/item] [url=http://www.wowhead.com/?spell=43779]Delicious Chocolate Cake[/url] <list of available crafters in the guild>
[*][item]Thistle Tea[/item] [url=http://www.wowhead.com/?spell=9513]Thistle Tea[/url] <list of cooking rogues with their stupid monopoly on getting an additional cooking recipe>
[/list]

This text could then be presented to the addon user in a text box for copy&paste. That way you get both links and tooltips for the item itself and for the spell, listing the needed materials.

A positive side effect would be more people wanting to install your addon so they don't need to manually update their own tradeskills on the forums any more. :)