WowAce

Shows where the equipment of inspected users or yourself is from.

View bank, inventory, mail, equipped and guild bank contents from any character anywhere!

OneBank3 will combine all the bank bags into one frame.

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

Dynamic mount macro generator

Kaliban's Class Loot List Star Display

Keeps track of your current location.

TomTom CrazyArrow pointing to the targeted group member

Show where the chests are for Withered Army Training

A simple slash-command-based addon for querying item information from the Blizzard servers via ItemIDs and SpellIDs.

FuBar_HonorFu

UnitActionBars

Separate indicator for your HoTs with timer.

Displays the locations of Garrison music scrolls.

Tracks SendAddonMessage Spam

Says random things in chat when casting any spell or ability. Type "/ss help" for the user's manual.

A sexy logarithmic cooldown bar

Plays sound when a ready check, LFG queue, battleground queue, or world battleground queue pops even if you have sounds turne...

Display auras on action buttons.

Attach diminishing return icons to unit frames.