Mining and Smithing Rework Calculator : r/runescape
OSRS Zalcano Calculator - The OldSchool RuneScape Portal!
GitHub - zukatiel/OSRS_Smithing_Calc: A spreadsheet program containing a calculator intended to assist in creating a plan to level the Smithing skill in Old School Runescape using Giant's Foundry, Blast Furnace, and Anvil
RuneScape Smithing Calculator by Borco
Skilling pets - The RuneScape Wiki
OSRS skill calculators: RuneScape skill calculators list - RunePedia.com