Bip39 alternative https://500px.com/p/alexzhiglatyxrnxb Regardless that it employs BIP32 strategy you may nonetheless import BIP39 seeds into Electrum wallet. Also other than BIp32 There exists BIP44 version which some wallet use to the era of seeds. BitBox02 - A successor for the BitBox collection, this hardware wallet supports BIP39 seed phrases https://bbsocialclub.com/story22228006/bip39-generator-python-the-single-best-strategy-to-use-for-bip39-generator-https-dzen-ru-bip39-phrase-com