Main features:

• Keep track of and update addons from the following sites:
  • WoWInterface
  • Curse-Gaming (even after the April 2009 changes to the site)
  • AuctioneerAddon
  • GathererAddon
  • Cosmos UI
  • CTMod
  • CapnBry
  • GoogleCode
  • GoogleCode SVN
  • WoWAce SVN
  • DeadlyBossMods
  • ...and custom sites through the OtherSites module
• Install addons directly from Cosmos UI, or by pasting in the URL of an addon at the other sites
• Export and import addon lists in XML format
• Works on Windows, Linux and Mac OS X