WowAce

Adds World Quests to the quest list

A library to provide mobIDs for bosses.

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

Adds various hearthing items to AdiBags virtual groups

StatLogicLib

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

Calculates optimal reforging for given weights/caps.

Threat reactive nameplates for TidyPlates.

Adds various information based on PeriodicTable to item tooltips.

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...

A sexy logarithmic cooldown bar

Database of Vendor locations for HandyNotes

Displays the locations of Garrison music scrolls.

Aloft

Database of Diminishing return categories and general data

Display front-end for LibGuildPositions-1.0 using HandyNotes

A library allowing for easy creation of graphs

Kaliban's Class Loot List Star Display

Displays information about the current zone on the World Map, for WoW TBC Classic