Can anyone point me to working implementations of BIP85?
The only one I'm aware of is the Coldcard Wallet implementation.
Bitcoin Stack Exchange is a question and answer site for Bitcoin crypto-currency enthusiasts. It only takes a minute to sign up.
Sign up to join this communitycheck out https://github.com/scgbckbone/btc-hd-wallet
Besides the iancoleman app, as of 2022-02 I only know of Coldcard & AirGap Vault.
See the spec for libraries
Python library implementation: https://github.com/ethankosakovsky/bip85
JavaScript library implementation: https://github.com/hoganri/bip85-js