Recommended Addons:

Auctionator: https://www.curseforge.com/wow/addons/auctionator

WeakAuras2: https://www.curseforge.com/wow/addons/weakauras-2

DBM: https://www.curseforge.com/wow/addons/deadly-boss-mods

DBM Classic: https://www.curseforge.com/wow/addons/dbm-vanilla

ClassicAuraDurations: https://www.curseforge.com/wow/addons/classicauradurations

Clique: https://www.curseforge.com/wow/addons/clique

Details: https://www.curseforge.com/wow/addons/details

Nova World Buffs: https://www.curseforge.com/wow/addons/nova-world-buffs

Nova Instance Tracker: https://www.curseforge.com/wow/addons/nova-instance-tracker

Decursive: https://www.curseforge.com/wow/addons/decursive

Questie: https://www.curseforge.com/wow/addons/questie

Bagnon: https://www.curseforge.com/wow/addons/bagnon

ThreatClassic2: https://www.curseforge.com/wow/addons/threatclassic2