Confluence links to investigate

Cumulus Cloud

https://studio.plugins.atlassian.com/wiki/display/TGCMLS/Confluence+Tag+Cloud+Macro

Shared User Macros

http://confluence.atlassian.com/display/DISC/Shared+User+Macros

Facebook like

http://forums.atlassian.com/message.jspa?messageID=257362632

Add Comment Macro

http://www.adhocworkflows.com/display/public/AWP/add-comment+macro

Documentation Theme Navigation

http://forums.atlassian.com/thread.jspa?messageID=257361903&#257361903

Macro programming

Link

Google Analytics plugin

http://www.schirmacher.de/display/INFO/Google+Analytics

Excellent

Styling Conf.

http://www.stepstonetech.com/display/zen/Home

Dashboard plugin

New Code Macro

Works fine