WowAce

In-game EPGP guild helper, supports standby, main/alt shared pools, minEP, offpecGP. Fixed price list with progress multiplier.

Bind spells, items, and macros to keys, without using action buttons

EasyDKP

Scans your Equipment for cumulative item bonuses and sums them up.

BeneCast 10

Enables the filtering of items when you visit a vendor

Good old LibTourist-3.0 for WoW Classic Era

Displays online guild mates.

FuBar_MonkeyQuestFu

FuBar_FuXPFu

Display an informational fighter jet style HUD while flying or riding

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

EQCompare

FuBar_NinjutFu

Library supporting plug in filters.

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

Litmus

A superior broker/LDB display for users of the Recount damage-meter.

ShadowGreenLight helps you decide if recasting SWP/Corruption is worthwhile

Enhancer