WowAce

AnyFont

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

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

Library for tracking cooldowns of other players

Adds a button to the quest completion interface which allows you to auto equips selected quest Item after completion

LD50_abar

Cancellation

Library to provide visual bar creation and management.

Shows current/dot cast haste values

aX_RaidStatus

FuBar_ShardCountFu

Bidder for DKP points. Usable as standalone bidder, or with DKP - Manager to manage points.

DreamChat

Good old LibTourist-3.0 for WoW Classic Era

Mob respawn timers

Collect data about you myth+ challenges

Spyglass

FuBar_EmoteFu2

Database of Mailbox locations for HandyNotes

WQA helps you find world quest groups easily. Works after the 4/28 group finder changes.