Ifwiki and IFDB may be useful whereas at IntFiction is mainly for Inform developers. Adrift is placed under "other developers" with Hugo, Quest and the others. http://www.facebook.com/InteractiveFiction is about Adrift and as such mainly attract Adrift authors. The facebookgroup I was talking about is: https://www.facebook.com/groups/int.fiction/ seems to be more allround.
D-Day V.5 in progress 86Kb (Slowly drifting) Just a Fairy Tale: 36Kb
While most postings may be on Inform, they do have subforums for Tads 2 & 3 and Choice-based IF, so I would disagree that it is mainly for Inform developers.