WowAce

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

The original HandyNotes source for where things are in Battle for Azeroth

The original source for where things are in Pandaria

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

Wowhead Data dump for GatherMate2

Caith skin for Masque.

Serenity skins for Masque.

Displays the locations of Lunar Festival elders.

Apathy skin for Masque.

Cirque Skins for Masque

Entropy skins for Masque.

Onyx skins for Masque.

Achievements

LiteStep skins for Masque.

Marks the locations of Hallow's End candy buckets on the worldmap and minimap.

Gears skins for Masque.

Find five Ephemeral Crystals, get a pink hippogryph

Marks the locations of Midsummer Fire Festival bonfires on the worldmap and minimap.

Adds mob patrol paths to your map.

Where the lore is at