WowAce

Shows mana usage as a percentage in a spells tooltip.

A customizable casting bar replacement for TBC Classic & Classic WoW

Complete Replacement for Inventory and Bank Bags.

Objective Tracker

Remove the gryphon graphics on end of action bar.

Does stuff for sachmo

LDB display of currencies, gold totals and session / daily / weekly statistics for all characters on a server.

Campaign maps for Warcraft Conquest Moon Guard server

Arcana-LFG is a broker plugin to show looking for group information, including call to arms

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

Adirelle's unit frames, based on haste's oUF.

Tracking and ranking of dps/hps in a guild.

Compression and Decompression library

A replacement tradeskill window for Classic

A replacement tradeskill window

View bank, inventory, mail, equipped and guild bank contents from any character anywhere!

Add-on that allows you to setup and quickly switch between different profiles of your action bars

Easy item deletion with a few tweaks.

AceGUI-3.0-Search-EditBox

Add TomTom Waypoints for Flight Masters in classic