WowAce

Skip the gossip and select the normal NPC action

FuBar_SpeedFu

Pop a chatframe warning about guild battle standard when boss health reaches 30%

create a qrcode in game

Automatically sell junk, restock reagents and repair

Quickly builds /target macros for immediate use.

Gugagaia_dk_addon will be like a teacher, helping the player that have a character of Death Knight class

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

clcInfo module for all Warlock classes

Adds spell-based range checking to Grid, and the ability to check multiple ranges.

CrossRealm

Durability Data Broker plugin.

BiSList allows you to configure your BiS items list, and keep track of how far you are from them

Configure which layout or profile to load on entering a zone

Adds LuaTexts text formatting to Grid2 statuses.

Aggro notification library.

BigWigs_ThogarLaneColors

A database of poeple wo can craft your items

Makes the Blizzard options frame movable and resizable

ClosetGnome_Tooltip