WowAce

FuBar_NetStatsFu

Displays friend notes in unit tooltips, at logon, and in /who results.

Simple, light-weight, LDB-enabled timer that tracks how long you spend in combat

KC_Mobility

Shows learned recipes of all characters.

HunterAEP

Taggle

Prompts for canceling of pet battles if no rare pet is found in the opposing team.

Reminds you if your flask/elixir and/or Augmentation Rune and/orfood buff is about to expire or has expired

Auto sizes frame layout depending on group/raid size or predefined zone data

Tooltip of socials button will now show which friends are online

Calculates optimal reforging for given weights/caps.

Group interrupt cooldown tracking.

It's a doodle pad for doodling with doodles.

Shows your standings with the factions.

Addon to switch all your AceDB profiles via slash command. This tool also allows you to emulate profiles for non AceDB addons.

An extra set of 11x3 buttons, integrated into the default action bar.

Quest helping: fetching items to use, that sort of thing.

Buff reminders and more

Hitman