Bip39 generator python https://bip39marco.mystrikingly.com/ Though it employs BIP32 system you are able to still import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 Model which some wallet use with the generation of seeds. Due to the cryptographic design and style of BIP-39, a weak passphrase https://pukkabookmarks.com/story19939741/bip-39-how-many-words-bip39-compatible-wallet-an-overview-https-cutt-ly-uryc5rw7