WowAce

A library that handles the basics of "window" style frames

Assistance to the dance during Dread Spray

Cryolysis

Parkour puzzles throughout the world.

Add lines to ore and gem tooltips that show prospecting sources/results.

Adds pipes which can control arbitary other statuses (like toggle status on key or "in combat"-state).

Sneakily inspect how much gold your mouseover target has made so far.

Automatic ammo reloading and selection, with warnings.

Hitman

Shows the health of the player's current bodyguard.

Displays a grid of guild ranks versus permissions.

Hourglass

A DPS Data Broker plugin.

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

Replacement of build-in loot frame

Target assistance by automatic rewriting of macros

Adds information to Titan Panel about your Professions and opens ProfessionsBook

Used to visualize and change values of variables/variable-trees in game

EnhancedLFG

Helps you automate selling stuff