WowAce

Gives a Smoother Quest Experience

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

Quickly assign the highest follower to each building or unassign all of them.

Posts a BigBrother-QuickCheck to the raid-channel when a readycheck is started

WF3sec

MultiTips

Displays friend notes in unit tooltips, at logon, and in /who results.

T_ItemInfo

Displays online guild mates.

Square Minimap and more

Auto sizes frame layout depending on group/raid size or predefined zone data

SanityItemCache

JasonQuest

Combine

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

FuBar_DuraTek

OneBag is a replacement for the default game bags that combines all the bags into one frame.

Cartographer_Mining

Speed plugin for any DataBroker display.

Eliminates the spam from the chatframe and sums it up in a broker plugin.