WowAce

Display aura information inside action buttons

Tracks vulnerability debuffs on multiple mobs

Tracks the HoTs you cast.

Smooth combat HUD based on ArcHUD2

Checks your gear before bosses and yells at you if you're an idiot

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

A collection of Rogue modules.

Keeps track of HoTs, DoTs, Buffs and Cooldowns. With audio and text alerts to refresh them.

Target Debuff monitor. Stacking aware, giving current and potential debuff status.

Shows you the radius of your totems.

Textures for Stop Motion

Modular and lightweight party/raid frames.

Additional information about player spells.

AceBuffGroups

Tracks the current Fear Ward's in the raid or party.

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

Detox

Tracks, transmits and displays the cooldowns of your raid.

Attach diminishing return icons to unit frames.

Aura alarm.