WowAce

Display auras on action buttons.

Adds World Quests to the quest list

Adds various hearthing items to AdiBags virtual groups

Configure triggers to send messages to your raid team such as timers, rotations, and health/power based triggers. Raid smarter not harder.

Adds various information based on PeriodicTable to item tooltips.

Try on different gear and see their total stats and their differences. In short, an ingame CT-Profiles-like addon.

Calculates optimal reforging for given weights/caps.

Shows you a much bigger icon selection frame

Reports on a configurable dashboard or to group chat on consumables, buffs, AFK, mana and many many others but in an intellig...

Threat reactive nameplates for TidyPlates.

StatLogicLib

Database of Vendor locations for HandyNotes

A sexy logarithmic cooldown bar

Displays the locations of Garrison music scrolls.

Database of Diminishing return categories and general data

an embeddable library providing an abstraction layer for tracking and querying Blizzard's Nameplate frames with ease and effi...

A library allowing for easy creation of graphs

Display front-end for LibGuildPositions-1.0 using HandyNotes

Aloft

Unit frame addon using Ace3.