The most popular full node implementations in Bitcoin Cash are supporting -blocknotify: Bitcoin Cash Node and Bitcoin Unlimited. As a matter of fact: -blocknotify is so useful that several cryptocurrencies are using it.
Bitcoin Cash Node
- https://bitcoincashnode.org/
- https://gitlab.com/bitcoin-cash-node/bitcoin-cash-node
- https://launchpad.net/~bitcoin-cash-node/+archive/ubuntu/ppa
Bitcoin Unlimited
Our users
“We are implementing faster blocknotify system on our servers, you might see small downtimes on EU, US, and asia stratum.. Mine-eu and mine-us are fine..”
– @miningspeed
BlockNotify does what you think it does.
– https://dev.bukkit.org/projects/blocknotify
video tape d mirth 
Not for human contact:
support@blocknotify.org
business@blocknotify.org