Developer tools

Software libraries and SDKs

All in one

java: bitcoinj
js: fullstack
js: bitcore
python: bitcash
python: python-bitcoincash

Data and utilities

js/ts: libauth
js: bitauth
js: bchaddrjs

Blockchain and network

js/ts: electrum-cash
api: bitdb and bitsocket
fulcrum (C++ electrumx)

Smart contracts

js/ts: cashscript
js/cli: spedn
cli: meep

Tokens

js, dart: slp.dev