WowAce

Adds a highlight border to items in your MogIt Wishlist, making them easier to see.

A library to help with localization of Zones.

Visualises healing.

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

Alternate Power- and Combopoint/SoulShard/HolyPower-bar

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

DKP system for all guilds in the Banana Republic.

Displays online friends.

Displays Instance Maps

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

A replacement tradeskill window for Classic

Incoming Heals

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

tracks and share quests between your party

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

Angry Raid Points

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

CT_RaidAssist style raid frames

Compact & customizable filtering, monitoring and grouping of buffs and debuffs

Says random things in chat when casting any spell or ability. Type "/ss help" for the user's manual.