Bip39 npm https://papaly.com/1/eMEf While it takes advantage of BIP32 approach you can still import BIP39 seeds into Electrum wallet. Also other than BIp32 There's BIP44 version which some wallet use for the era of seeds. As opposed to standard wallets derived only from the seed phrase, passphrase-shielded wallets are hidden https://getidealist.com/story22673911/bip39-table-the-smart-trick-of-bip39-word-list-github-that-no-one-is-discussing-https-linktr-ee-bip39