bip32 topic
hdkeygen
This is a very simple and easy-to-use key/wallet generator for Bitcoin (BTC) and Ethereum (ETH). It's implemented in Golang and incorporates the BIP32, BIP39, BIP43, BIP44, BIP49, BIP84, BIP86, BIP173...
bitcoin-bash-tools
Set of bitcoin-related bash functions
js-ethereum-cryptography
Every cryptographic primitive needed to work on Ethereum, for the browser and Node.js
bitcoin-php
Bitcoin implementation in PHP
bitcoinj
A library for working with Bitcoin
sentinel-android
Watch Only bitcoin wallet tracker for Android
go-ethereum-hdwallet
Ethereum HD Wallet derivations in Go (golang)
bip_utils
Generation of mnemonics, seeds, private/public keys and addresses for different types of cryptocurrencies