Bip39 php https://edgargvkh682.theburnward.com/a-novice-s-overview-to-getting-a-bip39-mnemonic-expression Even though it works by using BIP32 approach you are able to continue to import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use for the technology of seeds. BitBox02 - A successor on the BitBox collection, this https://webcastlist.com/story21229028/bip39-wordlist-not-known-details-about-bip39-word-list-txt-https-linktr-ee-bip39