Bip39 seed generator https://penzu.com/p/2ea6922b70254307 Even though it uses BIP32 system you could continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Edition which some wallet use with the technology of seeds. Subscribe to our weekly mailing list and acquire latest copyright information, sources https://artybookmarks.com/story20278370/bip39-eth-the-5-second-trick-for-bip39-compatible-wallet-https-dzen-ru-bip39-phrase-com