Developer kit add-on?

[fredrikse]

Where can it be found? I have searched and searched but don't remember where I found it last time.

 

[Chris D]

Resource Manager > Search > Titles Only > Developer

Leads to this result http://xenforo.com/community/resources/developer-kit.246/

Or even: https://www.google.co.uk/search?sugexp=chrome,mod=7&sourceid=chrome&ie=UTF-8&q=xenforo+developer+kit