WowAce

Adds a status to Grid for debuffs applied by Raid Bosses.

Find five Ephemeral Crystals, get a pink hippogryph

Textures for Stop Motion

Queing of /who and SendWho() queries and a much better interface (see docs), with gurantee to be executed & callback.

Try on different gear and see their total stats and their differences. In short, an ingame CT-Profiles-like addon.

mount and companion manager

Wowhead Data dump for GatherMate

Visualises healing.

Shows you a much bigger icon selection frame

Static library of wow map data

Adds World Quests to the quest list

CT_RaidAssist style raid frames

Show item durability and quality in the character frame.

Rebuff yourself with the mousewheel.

Show all the leyline taps in Suramar

LDB display of currencies, gold totals and session / daily / weekly statistics for all characters on a server.

Shows simple Buttons for your Cooldowns :)

Automatically enables or disables combat logging based on location.

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

Quest History tracker and shows lists of quests in each category