Add IFlyChat widget as an app, as well as minnit.chat11.
More Themes, or colors themed, make your own.
Allow Videos and Photos tab for members to upload, upload in feed goes to member's videos and photos.
Allow Games app to be added for a more social network feel.
Minify the profile of the user, like peepso in wordpress.
Pinned Posts to newsfeed or profiles.
Link Directory modules for those communities needing them (with thumbnail previews)
CometChat app available in back end, free or paid version.
Email subscription, people get active topics in a digest mail once a day.
Add in spotify or soundcloud to newsfeeds option.
Post Counts on material uploaded to the community.
Rate/Vote up materials posted.
Who's Online widget.
Flag of country on user's profile.
Meet Me, a pop up for member's who are new to interact in a bubble or on the sidebar/you may know.