WowAce

Restores access to removed interface options in Legion

Postal: Enhanced Mailbox Support

Collects Herbs, Mines, Gas Clouds, Archaeology, Treasure and Fishing locations and adds them to the worldmap and minimap

Displays additional information for Mythic Keystone dungeons

Does stuff for sachmo

Officially the original source of knowledge of where things are in Draenor during Warlords, in HandyNotes

A library to help with localization of bosses.

Shared handling of alternate identity data between addons.

Provides one or many frames for dumping text into.

A skinning engine for button-based add-ons.

A library to help with localization of factions.

A library to help with localization of the output of UnitCreatureType.

Inserts some media into LibSharedMedia's storage.

The original source for where things are in Pandaria

Estimated range display. Type /rangedisplay for config

Simple Map Mod

Keeps track of group members and keeps an up-to-date cache of their specialization and talents.

Officially the original source for where things are in the Broken Isles, in HandyNotes

Library of compressed itemid sets.

A library to help with localization of races.