WowAce

Cartographer_Mailboxes

Lightweight time/date display with optional hourly chime.

Makes the Blizzard options frame movable and resizable

Angry Raid Points Client

Simple Spell Alert

Angry Boss Reminders helps raiders switch to the proper talents, glyphs, and gear for each boss during a raid.

SmartyCat

Cartographer_NoteTarget

Keeps track of time played and rested XP across your characters.

TuiRaidTracker

AceBuffGroups

Replacement for default Rune Frame and more.

RoleCall allows you to easily see the talent specs and roles of everyone in your group.

Provides information of tradeskill and crafting materials that are in the banks and bags of your characters.

Shows the health of the player's current bodyguard.

Tracking and ranking of dps/hps in a guild.

Set the clicking action for Grid buttons

Shows activity for hidden ChatFrames by making their tabs flash.

adds navigation buttons to Encounter Journal

Bind spells, items, and macros to keys, without using action buttons