Bip39 passphrase github https://www.demilked.com/author/gobnettlmz/ Though it works by using BIP32 process you may continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Model which some wallet use for the era of seeds. BitBox02 - A successor on the BitBox collection, this components wallet https://bookmarkworm.com/story20468118/bip39-generator-new-step-by-step-map-for-bip39-github-https-linktr-ee-bip39