WowAce

Bang!_Libram_Swap

LootWhore

End of combat reporting for feedback on how your cast time was spent or wasted.

Remove the gryphon graphics on end of action bar.

Tells you which nest to fly to

RainbowEnchants

Adds statuses to grid for best targets for smart heals.

Lua error manager

Lexan

Map and mini-map class colors with combat indicator

Automatically sell junk, restock reagents and repair

RBM_Hyjal

Freaking geaR dEpendent Achievement checKer - Gear check for the Achievements 'A Tribute to Dedicated Insanity' and 'Herald o...

Reminds you to resummon your Ghoul

Auto equip/take off a selected tabard on entering/leaving an instance.

Broker object for oQueue.

Vigilance tracking for Protection Warriors

Adds quest level tags to log and watcher.

Reports in raid chat whenever a raid member "fails." /EnsidiaFailsWotLK to configure.

GBS tricks other addons into thinking a guild bank is your personal bank.