Bip39 mnemonic generator python https://www.cheaperseeker.com/u/adeneuwaks Although it takes advantage of BIP32 process you are able to continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 There is certainly BIP44 Edition which some wallet use for the era of seeds. BIP39 solves this by making use of human-readable seed https://bookmarksusa.com/story19916077/bip39-russian-a-secret-weapon-for-bip39-mnemonic-https-x-com-tundra838554