Prysm, developed by Prysmatic labs, is a user-focused client with high reliability.
Prysm is written in Go and released under a GPL-3.0 license.
Using Prysm as a Gnosis Beacon Chain Validator
The Prysm client has been modified to update the go-ethereum library for specifics related to the Gnosis Beacon Chain. The original Prysm binary will not work with the Gnosis Beacon chain; a configured client is available for users.