WowAce

CrossRealm

Shared handling of media data (fonts, sounds, textures, ...) between addons.

TableInspector

Improved Mailbox

Tattles to your default chat frame who has used their taunt nearby

clcInfo module for all Warlock classes

Automatically converts a party to a raid when you attempt to zone into a raid zone without a raid.

Notifies your chat frame of who has cast their Toy Train

PaintChipsLib

Extends Gladius with diminishing return tracking

FuBar - CAFu

Adds dungeon role icons to Grid2

MeleeFrame

Ranged stats Data Broker plugin.

Context-sensitive actions for certain frames on double-clicks.

Warn players about a specific aura (buff/debuff) at a specific stack via whispers and icons.

AtlasLoot wishlist match.

Addon to add macro support for setting and clearing raid icons

Grid2 LibDataBroker support

Timer bar addon inspired by ShockAndAwe