Made my first WoW addon! It looks at a spells and tells you the Damage per Mana, the DPS (assuming perfect cast time) and the DPS per Mana. Simple, but mine! :
DPS Calculator for RoS :: WoWProgress - World of Warcraft Rankings
Best DPS Tier List / Rankings for WoW Classic - Phase 1 Molten Core and Onyxia - Wowhead News
Classic WoW Hunter: Phase 4 BiS with DPS Calculator - YouTube
Damage reduction | WoWWiki | Fandom
Warrior Threat Calculator : r/classicwow
DrDamage | WoW Addons - DKPminus
Damage Calculator (and other utilities) | Smogon Forums
Konst Warrior DPS Spreadsheet - Very useful!
Wowhead Talent Calculator With Glyph Support for Wrath of the Lich King Classic - Wowhead News