WowAce

lern2count adds ABinfo castcounts to spell and actions. It has a builtin reagentcount too.

Tracks the precise arrival & departure schedules of boats and Zeppelins around Azeroth and displays them on the Mini-Map and ...

Displays the time until the next battle and more.

Dropdown library for Ace3 options, extensible to other options formats. Works ok.

Bidder

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

LilSparky's Workshop mod for Trade Skills

InspectFix

Allows you to browse your clients database

Database of Diminishing return categories and general data

FuBar_ItemDBFu

TrackingBar

Cartographer_nnTrainers

Volume control panel.

Enchanting data for Ackis Recipe List.

Show all the leyline taps in Suramar

Reno is a slash-command that can patch predefined options in a macro to change which actions will be chosen.

StarVisuals displays various data visualizations

Open all your mail

Collects, analyzes and presents information about the virtual economy.