WowAce

A library to help with localization of Zones.

Add-on that shows in a unit tooltip window a number of killed mobs of the same kind

Checks your gear before bosses and yells at you if you're an idiot

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

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

Displays online friends.

Visualises healing.

DKP system for all guilds in the Banana Republic.

Track all threat redirection ability transfers and cooldowns (Misdirection and Tricks of the Trade).

Incoming Heals

Dynamic mount macro generator

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

Displays Instance Maps

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

A replacement tradeskill window for Classic

tracks and share quests between your party

Tooltip of awesomeness. Moo. It'll graze your pasture.

CT_RaidAssist style raid frames

Angry Raid Points

OneCore is the centralized code shared between the OneBag Suite