WowAce

Personal buff monitor - are you buff enough?

Easily mail friends, guild members, alts and others

Test whether the player can really dispell a buff or debuff, given its talents.

Monitors for friendly deaths and announces them as in Myth: The Fallen Lords

Database of Vendor locations for HandyNotes

Adds custom effects to your cursor.

FuBar_ItemListFu

LittleTrouble

Client for allowing the raid leader to gauge interest on items in a method similar to a ready-check.

Adds the toon name to the alert that your RealID friend has come online.

A FuBar plugin to show Recount.

Guilder brings common guild-raid tasks together in one convenient place.

Proximo

A small checklist for raid (de)buffs and who brings what.

Cleans up minimap buttons and makes them accessible through a pop out menu!

The One-Key-Mount™ — Simple to use, configured with Rock

LilSparky's Workshop mod for Trade Skills

Niagara

A library to provide a clean dropdown menu interface.

Gives a score for your kit allowing easy comparison with others, also colour codes kit based on appropriateness for your level.