WowAce

Bidder for DKP points. Usable as standalone bidder, or with DKP - Manager to manage points.

Scans your Equipment for cumulative item bonuses and sums them up.

Building a Better Mailbox

Visual loot monitor

eeShards

FuBar_ItemDBFu

Generate a macro with random mounts

Mana Regeneration Information

Allows you to loot BoP items without prompting when not in a group or raid

A module that lets you find out what today's dailies are without having to visit the quest givers.

Adds filters for Legion items to AdiBags

ArenaPointer

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

A fully featured library tracking all ongoing absorb effects

TouristLib

PT3Bar

Saves contents of your guild bank and sends/receives updates over the addon channel

Automatically sells low quality gray items and selected white items to the vendor.

Uses guild notes to add alts' main names to chat windows and other places

For Developers (of Addons which uses LibWho-2.0): show queues and queries in realtime