WowAce

Simple addon that sends EG gear/main data without running the full client

Automatically swaps between weapons and lances.

Quest information

Creates a new, movable, fully customizable quest watch frame.

VendorSearch adds search features when buying items from any vendor

Know what Daily-Quests are available today!

XP plugin for DataBroker display.

Lets you Shift-Click artifact traits to chat

Suppresses guild reputation cap spam when turning in quests.

Stripped down version of the well known Minimalist

Classic branch of Xparky

Display the amount of XP gained from an instance

Tracks the gain of experience and money.

Adds an icon to the best vendor option for quest rewards

A simple xp bar that shows you the entire journey from 1 to max level

Baldrick_Classic

An addon to keep track of your earned artifact power and present you relevant information.

An experience bar for classic that shows the entire process from 1-60

Increases the Precision of the Average Item Level to 3 decimal places in the Character pane

Kandarz Extended Quest Log