WowAce

Raid flares without problems with UI taint and errors, using mechanisms introduced in patch 4.3

ezIcons

DuraRecolor

Automates sending/accepting group invites in several different situations.

AssignAssist

Reputation

Blocks all whispers except from people in your guild and friends list.

BabyWigs

FuBar_NavigatorFu

Show all characters' currency in the currency tooltip

FuBar_AssistFu

Library that provides a timestamp that is equal across clients' timezones and system clocks

Bug fix for the Blizzard calendar -- prevents unexpected window closure while editing events

Melee stats Data Broker plugin.

Enemy team talent spec reporter

Don't accidentally solo queue BGs when in a group!

XP plugin for DataBroker display.

Matte Vol Skin for cyCircled.

Show a bar indicating the unit's power that can change color based on value.

A library to convert ItemId to ItemId of player's faction