Notifications icon on header

Is there any plugin for showing all notifications...i.e - he likes your photo....,he commented on your blog ....

Just like facebook...but i don't want any theme..... my elgg version is 2.3.3 as many plugin don't work for me because of elgg version.
And i also need a chat room plugin...with a icon on header...plz suggest some plugins. Currently i m using elgg default theme.
I have found many plugins but there were some errors like......elgg_version....plugin independency.....start.php not found and so on.....
And thnx in advance :)

Beginning Developers

Beginning Developers

This space is for newcomers, who wish to build a new plugin or to customize an existing one to their liking