WowAce

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

Shows the minimum durability of equipped items on the stats frame.

Automatically sells low quality gray items and selected white items to the vendor.

Add SyLevel item level display support to Bagnon.

Visual loot monitor

OneBag is a replacement for the default game bags that combines all the bags into one frame.

Adds filters for Legion items to AdiBags

FuBar_OutfitterFu

Provides information of tradeskill and crafting materials that are in the banks and bags of your characters.

Sanity2

Replacement for default bags.

A menu with useful searches for Inventorian

Gives a score for your kit allowing easy comparison with others, also colour codes kit based on appropriateness for your level.

item2phpBB

Enhances the StackSplitFrame with numbered Buttons, a '1-Click Mode' and a 'Auto Split Mode'.

FuBar_DuraTek

StatStain

Tracks profession specific cooldowns and items across all your characters

Keeps track of space left in your bags.

Keeps track of your reagents for buffing.