WowAce

Adds Friend and Guild options to the context menu of player units.

Lists Pots and Herbs you got on all chars and allows you to specify color coding

Allows you to create icons, which can be customized greatly by user's input. CiR is more than just the usual cooldown tracker.

Shows a circle on the minimap to indicate spell range

Modifies the inbox into a scrollable inbox, including open all options

Allows combined aura detection. motw + gotw, all 4 mage int buffs, etc. in one status.

Quickly assign the highest follower to each building or unassign all of them.

Does stuff for sachmo

BagSync

Add in keybindings to place raid marks on mouseover, or the target if there is no unit being moused over

BananaBar2

Detox

VendorSearch adds search features when buying items from any vendor

A data broker plugin showing your longest fight and your current fight time.

MendWatch

Keeps track of gold and cash flow across multiple characters

Building a Better Mailbox

Simple embeddable publish-subscribe implementation.

HealComm-2.0

Praise the Sun! \[T]/