WowAce

Steroids

Responds to DBM version checks, so that you don't have to.

VendorSearch adds search features when buying items from any vendor

DKPmon_BossAuction

Inserts some media that is already present in the game into LibSharedMedia's storage.

Notifies you of new calendar event invites and reminds of upcoming events on all characters and realms

Adds a cooldown timer for Nezir's Ice Patch ability.

RBM_Sunwell

PvP plugin for any DataBroker display.

Facilitate better communication for loot councils

Pop a chatframe warning about guild battle standard when boss health reaches 30%

Display LDB launcher

Write event handlers in a simple GUI in-game

cyCircled_Vol

User-configurable protection for your inventory. Automatically buys back mistakenly sold items.

ForceEnchant

Automatic switching to FFA loot for Mimiron phase 3

Recount2

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

Buff and debuff timers with bars or icons.