WowAce

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

Volume control panel.

provides enchanters with a decent tool for managing their profession

Toggles WoW to the forground on events.

Review any raid or party members recent incoming combat along with health level.

Tracks interrupts

Priority 3 loot announce addon

Various libraries based on LCD4Linux, offering users lower-level UI customizations.

Allows you to preview weapon glow in Dressing Room.

GrindStatus

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

Modular and lightweight party/raid frames.

Antagonist

WhoDrop

A library to track nameplates.

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

Keeps track of time played and rested XP across your characters.

Disease Tracker for Death Knights.

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

Smooth group roll frames