WowAce

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

Ranged stats Data Broker plugin.

Keeps an eye on someone's distance from you, and alerts you if they get too far.

Raid cooldown assignments for healers

LD50_armor

TEALib

Counts stacked lifeblooms and uses progressive colors to indicate the active number of HOTs.

A helper addon for the achievements "Let It Snow", "Fistful of Love", "Shake Your Bunny-Maker", "Check Your Head", and "Turkey Lurkey"

GuildFilter

Melee stats Data Broker plugin.

Display LDB launcher

Artifact power bar support for oUF layouts

Announces results of readychecks to the raid/party, installs "/rc" alias, shows rc timer bar

A library to provide coloring tools.

Automatically restock items from vendors and your bank

Gnomish math at its best!

Mirror

Shows the duration of the most recent (or current) combat

Adds Debuff Highlighting to oUF.

Easy Button for casting MD/ES/ToT etc on tanks.