Bip39 Xmr. Although it takes advantage of BIP32 approach you are able to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 There's BIP44 Variation which some wallet use with the era of seeds. The entire process of starting a copyright wallet is similar to other software https://emiliobpdtg.mysticwiki.com/1101273/the_anatomy_of_a_bip39_phrase_entropy_text_and_protection