BOM (Bill of Materials) - 16n-faderbank/16n GitHub Wiki

Available on Octopart; a CSV version is in electronics/bom-csv.csv

Most parts you can get from eg. Mouser. I recommend buying PJ-302 jacks from Thonk as an alternative to the more expensive CUI parts. If in doubt, 1% 0805 resistors of any manufacturer will do; caps are X7R with appropriate voltage tolerance.