AltSync is for syncing all of your alts name's on each alts friends list. This is handled automatically by the addon. All you need to do is log in with each alt and their name's will be added to the database.
v2.3 New minimap button. Left click to open config settings. Right click to open the new alt command buttons that have replaced the macros.
There are now 8 additional features you can do with your alts