WowAce

Adirelle's unit frames, based on haste's oUF.

Onyx skins for Masque.

Enhances the default AddOns list.

Provides access to all Portal and Teleport spells on right click of one button.

MorgDKP

Bayi's Extended Questlog

Marks the locations of Midsummer Fire Festival bonfires on the worldmap and minimap.

Makes a sound when your focus starts casting. Use with [target=focus] macros for interrupts (Counterspell, Spell Lock, Wind ...

Adds a status to Grid for debuffs applied by Raid Bosses.

OneBag is a replacement for the default game bags that combines all the bags into one frame.

Automatically turns on the combat log for selected raid and mythic+ instances.

StatLogicLib

Display aura information inside action buttons

Displays Instance Maps

A fancy LDB reputation display, show faction reputation and reputation change history

Keeps track of your top hits, heals, criticals, etc.

Collects Herbs, Mines, Gas Clouds and Fishing locations and adds them to the worldmap and minimap

Reports in raid chat whenever a raid member "fails." /EnsidiaFails to configure.

tracks and share quests between your party

Quest History tracker and shows lists of quests in each category