OSRS skill calculators: RuneScape skill calculators list - RunePedia.com
Theoatrix's 1-99 Smithing Guide (OSRS)
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