WowAce

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

Browse your guild members crafts anywhere, anytime.

Toggle addon configuration mode.

Monitors the combatlog identifying players from the oposite faction near you.

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

Raid cooldown assignments for healers

FuBar_KCIFu

School

Hunter 'Misdirection' activity and cooldown monitoring for raids/groups. 'Readiness' aware.

MeleeBuffs

Reputation tweaking module for TweakHub with auto watched faction selection and detailed rep info updates.

Adds the "pixel perfect" font "Visitor" to LibSharedMedia

TEALib

Automatically restock items from vendors and your bank

Mana Regeneration Information

Adds an additional spell alert if you have more than one charge of a buff that is normally tracked by the in game spell alert...

Simple Bars for your Shaman's weapon buffs and shield spells.

Intended to be a complete guild management tool suite)

Guide Handler UI.

BangItHarder