WowAce

Keeps track of space left in your bags.

Adds manabars to the sides of Grid frames.

Don't underestimate your little critters!

Estimated time until current target will die.

NameTagToggle

Enables user defined sounds for Party, Guild, Raid and Custom Channel chat messages.

ShadowGreenLight helps you decide if recasting SWP/Corruption is worthwhile

Resizes some default UI frames (GuildUI, LootFrame, RaidInfo, TradeSkillUI and TrainerUI) to show more lines

Set the clicking action for Grid buttons

Keeps track of durability and pops up a dialog to repair when you go to a vendor who can.

Addon to switch all your AceDB profiles via slash command. This tool also allows you to emulate profiles for non AceDB addons.

Cartographer_nnTrainers

LilSparky's Workshop mod for Trade Skills

Acolyte2

QuestAnnouncer

Highly-configurable shield / absorb tracker.

A FuBar plugin to show Recount.

Shows activity for hidden ChatFrames by making their tabs flash.

quick quest turnin and acceptance with a shared keybind

BeneCast 10