WowAce

A Data Broker plugin to display how long you've been playing

Allows movement and scaling of class-specific resource displays

Relays item drops to your guild chat.

Easy Button for casting MD/ES/ToT etc on tanks.

Adds notes to item tooltips

Spell interrupt aid and announcement addon.

Helps you keep track of your experience.

New/Old BG indicator, Join by ID, Quick Leave Queue, etc.

Remaining and rested XP Data Broker plugin.

Adds custom layouts for Grid

SanityBags

A mod to filter the Trade chat, shunting it to a seperate chat window if it exists (chat window is OMGWTFBBQ).

Mini calculator

RS_ClassColors

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

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

Try to keep them thar pets wrangled

Selectively loots your fishing catches.

Shows all the targets in the raid

SpoilsOfWar