WowAce

Easily mail friends, guild members, alts and others

LDB data source for currency flow

Give logical progression of Mining, Herbalism & Skinning. Will not be updated with WoD zones

Stores a browsable database of spells that mobs cast

A data broker display, that shows one block per plugin.

Searches bags/banks of all your characters/guilds.

Shows Status Bars that you can drag around and group up for your cooldowns

Reno is a slash-command that can patch predefined options in a macro to change which abilities will be chosen.

Utility library with shared functions and data for various addons by NeoTron.

Keeps track of performance of memory, latency, and framerate.

A superior broker/LDB display for users of the Recount damage-meter.

Antagonist

InfiniBar-2.0

Incoming Heals

Adds a highlight border to items in your MogIt Wishlist, making them easier to see.

Adds your damage to Scrolling Combat Text

Smooth group roll frames

Displays Pet Info for Hunters and Warlocks. Also keeps track of Stables and Pet and Demon skills.

Separate indicator for your HoTs with timer.

Checks your gear before bosses and yells at you if you're an idiot