WowAce

Adds the "pixel perfect" font "Pixel Unicode" to LibSharedMedia

FuBar plugin for ItemRack v2.2+

Reports in the Default Chat Frame how many people does not have Well Fed effect, and who are they

LibFuBarPlugin-3.0

Adds AFK status to Grid frames.

Replacement for WoW's flash/fade functions.

Reputation tweaking module for TweakHub with auto watched faction selection and detailed rep info updates.

Adds the "pixel perfect" font "Visitor" to LibSharedMedia

MouseLook

Adds TargetIcon status to Grid2 (player / player-target).

Loooooot!

LDB display addon with one Blockoblock per plugin.

A customizable buff/debuff display replacement for the default Blizzard frames (with right click cancelaura support).

A simple visual combat log with spell/skill icons for Classic WoW

Never forget which one in that 5-mob pull casts what spell again.

Synchronise friends among your characters

ControlFreak

Simple embeddable publish-subscribe implementation.

Show a relative threat bar.

MagicMarker_Data