WowAce

eeMon

Automatically sells low quality gray items to the vendor.

Adds an additional spell alert if you have more than one charge of a buff that is normally tracked by the in game spell alert...

Makes the Battle Objectives Frame movable

Grid module to emphasize units based on some configured conditions.

Manages the SavedVariables of your addon with a layered hierarchy of settings.

Good old LibTourist-3.0 for WoW Classic Era

AntiInvite

Improved Guild Control Panel

Adds a third text indicator to Grid.

Status indicator that shows if a unit is hostile (probably mindcontrolled)

TEALib

Keeps tracks of /rolls.

Automagically call who should cross over

Bag and item management utilities

LDB display addon with one Blockoblock per plugin.

GDKP gold run ledger

Announce which globule to kill during the Yor'sahj the Unsleeping encounter.

Mode7Test

On login, displays changes to your guild since the last time you logged in.