Biosup is a program designed to automate the sourcing and downloading of BIOS/UEFI from Various vendor websites. Using the config file, a user can manually set what chipset’s and vendor’s (between ASUS, ASROCK, GIGABYTE and MSI) they wish to download.
https://github.com/Rexzarrax/Biosup
See-also: UEFI-Spider
https://firmwaresecurity.com/2015/07/15/tool-review-uefi-spider-and-firmware_vault/