WowAce

Libra

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

Evaluates your gear

Allows you to create icons, which can be customized greatly by user's input. CiR is more than just the usual cooldown tracker.

Combine

A simplistic clock.

Adds your name to chat messages

Open those clams (and other containers)

Add-on that shows which mounts can be farmed this week

Provides the ability to suppress specific spellcasts like "Deaden" from your casting bars.

ImprovedRWF

BigTrouble

ComboSounds

Profiler of the Lords of the Zodiac guild.

FuBar_ShardCountFu

Enables the filtering of items when you visit a vendor

lugMD

ActionCombat

Don't underestimate your little critters!

Prompts for canceling of pet battles if no rare pet is found in the opposing team.