Bip39gen https://www.bitsdujour.com/profiles/wWbptt While it makes use of BIP32 approach it is possible to continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 There's BIP44 Model which some wallet use for the generation of seeds. Some wallets can import several seed phrases and many only have just one standard. https://bookmarkinginfo.com/story20473753/bip39-dot-map-the-single-best-strategy-to-use-for-bip39-generator-https-cutt-ly-uryc5rw7