WowAce

Announces results of readychecks to the raid/party, installs "/rc" alias, shows rc timer bar

On login, displays changes to your guild since the last time you logged in.

Create reagents easily

Buffalo2

A fully featured library tracking all ongoing absorb effects

Disease Tracker for Death Knights.

ItemEnchantApplication

SinkLib

A frame designed for each specialization of druid's watching their main power and important buffs/debuffs

A library to handle rearrangement of blizzard's frames when bars are added to the sides of the screen.

Building a Better Mailbox

FuBar_TimerFu

Hook extra menu to friend list, guild list and chat player

HazLoot

Sniff

Makes your item stats shine!

DHUD2

Make it easy to explain bosses in Raids.

Augmented Virtual Reality. Draw and add markers in the 3d world.

FuBar_MiniClockFu