Bip39 light standard https://www.anobii.com/en/01000289012ff9b293/profile/activity Despite the fact that it takes advantage of BIP32 method you could still import BIP39 seeds into Electrum wallet. Also besides BIp32 There is certainly BIP44 Edition which some wallet use to the era of seeds. If An additional wallet would not assistance a derivation route https://list.ly/abregeouoh