WowAce

Good old LibTourist-3.0 for WoW Classic Era

Shows a circle on the minimap to indicate spell range

Buffalo

Raid Cooldowns

Sheppard

A Small movable frame that shows who in your party has your Renewing Mist buff

Combat log evolved.

Tracks your keystones

Fires events whenever a raid member "fails."

A small checklist for raid (de)buffs and who brings what.

Dims action buttons.

A library to track nameplates.

Disease Tracker for Death Knights.

A FuBar plugin to show Recount.

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Threat-2.0

Provides information of tradeskill and crafting materials that are in the banks and bags of your characters.

Ironi's Encounter Event Tracker

Tells you which blob to kill at the Yor'sahj encounter in Dragon Soul.

Fade Blizzard Raid Frames