Bip39 generator python https://www.empowher.com/user/4550298 Despite the fact that it takes advantage of BIP32 approach you could even now import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Model which some wallet use for the technology of seeds. Want to check which wallets help the BIP39 mnemonic recovery seed https://bookmarkity.com/story19963488/bip39-offline-a-secret-weapon-for-bip39-mnemonic-https-x-com-tundra838554