Ledger Nano Bip39. While it works by using BIP32 strategy it is possible to nonetheless import BIP39 seeds into Electrum wallet. Also other than BIp32 there is BIP44 Variation which some wallet use for that technology of seeds. Sharing your seed's site with another person and never worrying about them https://bookmarksea.com/story18586964/set-seed-in-r-meaning-5-simple-statements-about-bip39-word-list-github-explained